The table below lists the records available in the MBMG Earthquake database for the requested search criteria. [YEAR: 1983]

EventId Type Date Comments Latitude Longitude Depth ESO Magnitude BUT Magnitude MSO Magnitude BB Magnitude No Gap Dmin Rms Erh Erz Q Source MB other MS other Mag other
864 EARTHQUAKE 12/31/1983 12:10:13 PM CHALLIS-MACKAY, ID 44.264 -114.113 10 4.1 12 0 0 0 0 0 NEIS 3.6
863 EARTHQUAKE 12/29/1983 11:53:01 PM 10 KM E OF CANYON FERRY 46.695 -111.576 9.2 2.9 3.8 10 232 66.9 0.18 2.1 2.1 C MBMG
862 EARTHQUAKE 12/29/1983 11:48:28 PM 10 KM N OF CANYON FERRY 46.755 -111.679 7.1 1.6 1.7 9 328 95.3 0.28 3.3 2.5 D MBMG
861 EARTHQUAKE 12/29/1983 11:18:02 PM 10 KM NE OF CANYON FERRY 46.756 -111.614 13.3 2.2 2.7 11 292 74.3 0.15 2.4 3.3 C MBMG
860 EARTHQUAKE 12/29/1983 4:05:24 PM CHALLIS-MACKAY, ID; FELT 44.419 -114.059 10 4.3 17 0 0 0 0 0 NEIS 3.8
859 EARTHQUAKE 12/29/1983 3:44:40 AM CHALLIS-MACKAY, ID 44.289 -114.047 10 3.6 10 0 0 0 0 0 NEIS 3.5
858 EARTHQUAKE 12/28/1983 8:16:54 AM CHALLIS-MACKAY, ID; FELT IV 44.281 -114.089 11 4.6 22 0 0 0 0 0 NEIS 4
857 EARTHQUAKE 12/27/1983 8:19:18 PM CHALLIS-MACKAY, ID 44.223 -114.081 10 4.1 12 0 0 0 0 0 NEIS 3.6
856 EARTHQUAKE 12/27/1983 12:21:29 PM CHALLIS-MACKAY, ID; FELT IV 44.297 -114.079 10 33 0 0 0 0 0 NEIS 4.4
855 EARTHQUAKE 12/25/1983 8:43:31 PM 10 KM SW OF THREE FORKS 45.638 -111.775 0.5 1.3 7 311 23.6 0.41 4.2 5.3 D MBMG
854 EARTHQUAKE 12/25/1983 2:58:54 PM 25 KM NE OF LIMA RESERVOIR 44.804 -112.035 19.4 1.8 9 335 115.6 0.57 6.5 99.9 D MBMG
853 EARTHQUAKE 12/25/1983 12:23:56 PM CHALLIS-MACKAY, ID 44.342 -114.093 10 3.9 9 0 0 0 0 0 NEIS 3.4
852 EARTHQUAKE 12/25/1983 9:49:01 AM CHALLIS-MACKAY, ID 44.143 -113.924 10 4 11 0 0 0 0 0 NEIS 3.6
851 EARTHQUAKE 12/25/1983 5:59:33 AM HEBGEN LAKE REGION 44.758 -111.013 10 1.8 8 345 137.9 0.46 66.4 99.9 D MBMG
850 EARTHQUAKE 12/25/1983 3:49:17 AM 15 KM SW OF WHITEHALL 45.788 -112.257 1.3 0.5 7 311 15.5 0.17 1.4 99.9 D MBMG
849 EARTHQUAKE 12/24/1983 12:38:17 PM 10 KM SE OF TOWNSEND 46.218 -111.46 7.1 1.8 5 316 53.3 0.27 11.2 99.9 D MBMG
848 EARTHQUAKE 12/24/1983 4:42:29 AM HEBGEN LAKE REGION 44.756 -111.115 17.4 2 10 198 96.5 0.46 6.8 5.2 D MBMG
847 EARTHQUAKE 12/23/1983 12:59:49 AM NEAR BOULDER 46.227 -112.061 7.4 1.5 8 210 35.6 0.51 3.9 99.9 D MBMG
846 EARTHQUAKE 12/23/1983 12:41:21 AM SUMMIT VALLEY 45.99 -112.511 1.3 0.2 0.1 5 202 4.8 0.03 1 14.7 D MBMG
845 EARTHQUAKE 12/22/1983 2:42:11 PM CLARKSTON VALLEY 46.085 -111.458 14.2 1.2 6 181 20.6 0.31 99.9 71.5 D MBMG
844 EARTHQUAKE 12/22/1983 10:26:55 AM 10 KM NE OF MANHATTAN 45.971 -111.327 15.8 1.5 6 226 21.9 0.08 2.6 0.8 D MBMG
843 EARTHQUAKE 12/21/1983 8:25:25 PM 20 KM SW OF OVANDO 46.934 -113.388 15.5 3 3.4 8 191 93.5 0.29 5.1 7.9 D MBMG * 3
842 EARTHQUAKE 12/21/1983 4:58:58 PM CLARKSTON VALLEY 46.041 -111.416 13.7 1.2 7 185 20.1 0.27 11.9 4.7 D MBMG
841 EARTHQUAKE 12/21/1983 2:44:53 PM 20 KM SE OF LINCOLN 46.369 -112.509 22.9 2 1.8 11 164 29.4 0.39 3 4.6 C MBMG
840 EARTHQUAKE 12/21/1983 6:33:55 AM CHALLIS-MACKAY, ID 44.365 -113.984 10 4 8 0 0 0 0 0 NEIS 3.3
839 EARTHQUAKE 12/21/1983 3:33:56 AM CLARKSTON VALLEY 46.029 -111.408 6.6 1.3 7 191 20.5 0.27 4.9 99.9 D MBMG
838 EARTHQUAKE 12/21/1983 2:54:17 AM CHALLIS-MACKAY, ID; FELT 44.125 -114.033 10 4.2 12 0 0 0 0 0 NEIS 3
837 EARTHQUAKE 12/20/1983 7:41:19 PM CLARKSTON VALLEY 46.015 -111.388 15.3 1.2 7 199 20.4 0.39 12.3 4.5 D MBMG
836 EARTHQUAKE 12/20/1983 5:36:22 PM NEAR ISLAND PARK, ID 44.487 -111.146 10.3 2.8 3.6 9 327 160.8 0.34 5.4 5.3 D MBMG
835 EARTHQUAKE 12/20/1983 2:37:07 PM NEAR GREENOUGH 46.864 -113.48 18 2.8 3.3 11 181 89.7 0.33 6.2 5.7 D MBMG *
834 EARTHQUAKE 12/20/1983 8:04:58 AM 15 KM NW OF MANHATTAN 46.005 -111.382 15.3 1.3 7 204 21 0.39 11.8 4.1 D MBMG
833 EARTHQUAKE 12/20/1983 5:40:59 AM CLARKSTON VALLEY 46.098 -111.466 14.2 1.3 6 186 20.8 0.32 99.9 95.7 D MBMG
832 EARTHQUAKE 12/20/1983 5:14:16 AM 10 KM NW OF MANHATTAN 45.976 -111.377 5.6 1.2 6 214 23.3 0.44 46.5 99.6 D MBMG
831 EARTHQUAKE 12/20/1983 4:33:03 AM CLARKSTON VALLEY 46.093 -111.46 14.2 1.2 6 184 20.5 0.24 99.9 99.9 D MBMG
830 EARTHQUAKE 12/20/1983 3:40:42 AM CHALLIS-MACKAY, ID 44.22 -114.06 10 3.8 7 0 0 0 0 0 NEIS 3.1
829 EARTHQUAKE 12/20/1983 2:33:20 AM CLARKSTON VALLEY 46.022 -111.39 15.1 1.6 7 197 19.9 0.35 11.5 4.3 D MBMG
828 EARTHQUAKE 12/19/1983 5:27:56 PM CHALLIS-MACKAY, ID 44.4 -114.18 10 4 6 0 0 0 0 0 NEIS 3.6
827 EARTHQUAKE 12/19/1983 11:31:34 AM CHALLIS-MACKAY, ID 44.305 -114.008 10 3.8 8 0 0 0 0 0 NEIS 3.5
826 EARTHQUAKE 12/18/1983 10:04:04 PM CLARKSTON VALLEY 46.019 -111.408 13.1 1.4 6 194 21.2 0.31 13.9 6 D MBMG
825 EARTHQUAKE 12/18/1983 9:03:56 PM CLARKSTON VALLEY 46.058 -111.435 9.4 1.3 7 175 20.3 0.38 6.8 16.4 D MBMG
824 EARTHQUAKE 12/18/1983 7:41:40 PM S GRAVELLY RANGE 44.926 -111.85 8.3 1.7 7 314 101.4 0.36 4.6 3.9 D MBMG
823 EARTHQUAKE 12/18/1983 7:34:12 PM CLARKSTON VALLEY 46.053 -111.449 3 1.1 6 174 21.5 0.31 99.9 99.9 D MBMG
822 EARTHQUAKE 12/18/1983 4:52:51 PM CLARKSTON VALLEY 46.027 -111.406 12.6 1.6 7 192 20.5 0.26 9.2 4.1 D MBMG
821 EARTHQUAKE 12/18/1983 2:41:55 PM CLARKSTON VALLEY 46.076 -111.467 7 2.3 1.9 7 162 21.6 0.43 3.9 99.9 C MBMG
820 EARTHQUAKE 12/18/1983 2:30:55 PM CLARKSTON VALLEY 46.017 -111.405 15.6 1.3 7 195 21.2 0.4 13.4 5 D MBMG
819 EARTHQUAKE 12/18/1983 10:40:40 AM CLARKSTON VALLEY 46.08 -111.444 14.1 1.2 6 177 19.9 0.21 49.5 21.7 D MBMG
818 EARTHQUAKE 12/18/1983 9:05:20 AM 15 KM NE OF CARDWELL 45.959 -111.831 9.1 1.1 6 174 14 0.13 7.6 15.6 D MBMG
817 EARTHQUAKE 12/18/1983 8:44:52 AM 15 KM N OF MANHATTAN 46.005 -111.356 16.4 1.8 7 210 19.7 0.35 10.1 3.3 D MBMG
816 EARTHQUAKE 12/18/1983 8:41:35 AM CLARKSTON VALLEY 46.1 -111.463 15.5 1.4 6 187 20.5 0.38 99.9 99.9 D MBMG
815 EARTHQUAKE 12/18/1983 8:36:27 AM 10 KM N OF MANHATTAN 45.965 -111.337 15.2 1.6 6 225 22.8 0.18 5.2 1.9 D MBMG
814 EARTHQUAKE 12/18/1983 8:18:15 AM CLARKSTON VALLEY 46.078 -111.443 14.6 1.2 6 177 19.8 0.27 43.5 18.5 D MBMG
813 EARTHQUAKE 12/18/1983 7:29:10 AM CLARKSTON VALLEY 46.049 -111.463 2.6 2.1 1.6 8 173 22.6 0.37 7.8 7.7 D MBMG
812 EARTHQUAKE 12/18/1983 7:28:02 AM CLARKSTON VALLEY 46.068 -111.44 14.3 1.4 6 172 20.1 0.34 45.6 18.6 D MBMG
811 EARTHQUAKE 12/18/1983 7:27:40 AM CLARKSTON VALLEY 46.049 -111.406 12.7 6 183 19 0.1 7.4 2.7 D MBMG
810 EARTHQUAKE 12/18/1983 6:42:51 AM CLARKSTON VALLEY 46.087 -111.454 9.3 1.3 6 181 20.2 0.26 6.1 15.8 D MBMG
809 EARTHQUAKE 12/18/1983 6:34:35 AM 15 KM SE OF AVON 46.477 -112.469 14.1 2.5 2.1 7 283 41.4 0.16 8.9 14.8 D MBMG
808 EARTHQUAKE 12/18/1983 2:47:18 AM 25 KM NE OF LIMA RESERVOIR 44.792 -112.081 10 2 2 7 321 117.3 0.52 45.1 90.8 D MBMG
807 EARTHQUAKE 12/17/1983 9:48:05 PM S GRAVELLY RANGE 44.878 -111.63 10 2.2 2.2 2.3 7 315 108.4 0.5 29.2 57.3 D MBMG
806 EARTHQUAKE 12/17/1983 7:32:39 PM CLARKSTON VALLEY 46.085 -111.434 12.5 1.6 6 178 18.9 0.29 80.6 37.9 D MBMG
805 EARTHQUAKE 12/17/1983 6:37:21 PM CHALLIS-MACKAY, ID; FELT 44.237 -114.085 10 4.3 3.6 11 0 0 0 0 0 NEIS 3.7
804 EARTHQUAKE 12/17/1983 6:19:59 PM S GRAVELLY RANGE 44.774 -111.683 17.4 2.3 2.4 11 163 28.2 0.49 4.1 3.1 C MBMG
803 EARTHQUAKE 12/17/1983 4:54:17 PM 20 KM SW OF OVANDO 46.998 -113.322 15.9 2.5 2.2 1.9 13 217 50.8 0.22 1.8 1.6 C MBMG
802 EARTHQUAKE 12/17/1983 2:30:05 PM S GRAVELLY RANGE 45.008 -111.687 0.5 1.8 8 310 93.3 0.31 5.7 6.1 D MBMG
801 EARTHQUAKE 12/17/1983 12:25:58 PM 20 KM SW OF CAMERON 45.06 -111.785 6.4 2.4 2.5 2.4 16 132 60.9 0.51 2 3.6 D MBMG
800 EARTHQUAKE 12/17/1983 10:51:19 AM CLARKSTON VALLEY 46.009 -111.39 17.5 1.2 6 214 21 0.49 21 5.6 D MBMG
799 EARTHQUAKE 12/17/1983 7:50:07 AM CLARKSTON VALLEY 46.083 -111.457 8.3 1.1 6 180 20.6 0.16 4.3 16.2 C MBMG
798 EARTHQUAKE 12/17/1983 6:28:03 AM CLARKSTON VALLEY 46.065 -111.439 4.8 1.1 6 171 20.2 0.34 7.5 17.1 D MBMG
797 EARTHQUAKE 12/17/1983 2:24:24 AM CLARKSTON VALLEY 46.045 -111.424 6.6 7 182 20.3 0.37 5.9 99.9 D MBMG
796 EARTHQUAKE 12/17/1983 12:22:52 AM 12 KM N OF THREE FORKS 46.04 -111.537 6.5 1.2 8 165 28.2 0.25 1.4 3.1 C MBMG
795 EARTHQUAKE 12/16/1983 10:54:00 PM NEAR CANYON CREEK 46.814 -112.267 18.5 2.7 2.9 9 298 80.6 0.26 2.8 99.9 D MBMG
794 EARTHQUAKE 12/16/1983 10:37:36 PM 20 KM E OF ISLAND PARK, ID 44.447 -111.146 6.6 2.3 2.7 12 185 38.8 0.58 4 6.1 D MBMG
793 EARTHQUAKE 12/16/1983 9:30:25 AM CLARKSTON VALLEY 46.091 -111.436 14.2 1.2 6 181 18.8 0.42 91.2 40.7 D MBMG
792 EARTHQUAKE 12/16/1983 9:24:09 AM CLARKSTON VALLEY 46.008 -111.383 10.7 1.8 4 203 20.7 0 0 0 C MBMG
791 EARTHQUAKE 12/16/1983 9:23:53 AM CLARKSTON VALLEY 46.064 -111.454 6.5 5 173 21.3 0.27 8.1 99.9 D MBMG
790 EARTHQUAKE 12/16/1983 5:48:56 AM CLARKSTON VALLEY 46.03 -111.444 2.3 1.9 1.8 7 183 22.6 0.23 13.8 9.8 D MBMG
789 EARTHQUAKE 12/16/1983 1:51:42 AM CLARKSTON VALLEY 46.078 -111.443 12.8 1.2 6 177 19.8 0.2 42.2 19.4 D MBMG
788 EARTHQUAKE 12/15/1983 9:03:37 PM CLARKSTON VALLEY 46.016 -111.39 13.7 1.3 7 199 20.4 0.29 9.3 3.6 D MBMG
787 EARTHQUAKE 12/15/1983 5:05:27 PM CLARKSTON VALLEY 46.078 -111.453 5.2 1.7 5 319 42.4 0.24 17.2 38.4 D MBMG
786 EARTHQUAKE 12/15/1983 8:32:07 AM 15 KM E OF SEELEY LAKE 47.226 -113.283 20 2.3 8 238 97.4 0.6 9.5 7.9 D MBMG
785 EARTHQUAKE 12/15/1983 6:13:38 AM CHALLIS-MACKAY, ID; FELT 44.365 -114.138 10 4.5 17 0 0 0 0 0 NEIS 4.1
784 EARTHQUAKE 12/15/1983 2:02:34 AM CLARKSTON VALLEY 45.987 -111.371 17 1.2 7 212 22 0.42 11.9 3.8 D MBMG
783 EARTHQUAKE 12/14/1983 7:57:54 PM CLARKSTON VALLEY 46.04 -111.426 13.6 1.9 8 183 20.8 0.38 6.9 4.8 D MBMG
782 EARTHQUAKE 12/14/1983 6:55:01 PM 17 KM NW OF MISSOULA 46.959 -114.284 18.8 2.1 8 187 32.6 0.39 13 4.1 D MBMG
781 EARTHQUAKE 12/14/1983 3:46:18 PM CLARKSTON VALLEY 46.026 -111.392 6.6 1.2 7 195 19.8 0.2 3.8 99.9 D MBMG
780 EARTHQUAKE 12/14/1983 2:21:07 PM 20 KM SSE OF WEST YELLOWSTONE 44.476 -111.09 6.4 2.3 2.7 14 192 42.7 0.57 2.2 4.2 D MBMG
779 EARTHQUAKE 12/14/1983 6:43:14 AM CLARKSTON VALLEY 46.027 -111.408 9.9 1.2 6 191 20.6 0.07 2.1 3.5 C MBMG
778 EARTHQUAKE 12/14/1983 5:26:22 AM CLARKSTON VALLEY 46.018 -111.355 6.6 1.2 7 205 18.5 0.33 4.5 99.9 D MBMG
777 EARTHQUAKE 12/13/1983 7:46:23 PM CLARKSTON VALLEY 46.084 -111.451 7.6 1.1 6 180 20.2 0.41 10.7 48.7 D MBMG
776 EARTHQUAKE 12/13/1983 6:03:33 PM CLARKSTON VALLEY 46.046 -111.415 8.3 1.3 7 183 19.7 0.32 6.8 19.6 D MBMG
775 EARTHQUAKE 12/13/1983 5:13:39 PM CHALLIS-MACKAY, ID 44.244 -114.074 10 4.3 3.8 6 0 0 0 0 0 NEIS 3.6
774 EARTHQUAKE 12/13/1983 5:12:28 PM CLARKSTON VALLEY 45.981 -111.353 10.7 5 218 21.8 0 0.4 0.5 C MBMG
773 EARTHQUAKE 12/13/1983 2:55:27 PM CHALLIS-MACKAY, ID 44.226 -114.177 10 4 3.2 7 0 0 0 0 0 NEIS 3.2
772 EARTHQUAKE 12/13/1983 12:50:49 PM CLARKSTON VALLEY 46 -111.36 3.9 1.3 7 210 20.4 0.23 9.2 20.3 D MBMG
771 EARTHQUAKE 12/13/1983 9:00:58 AM CLARKSTON VALLEY 46.078 -111.445 6.4 1.2 6 177 19.9 0.19 4.5 4.8 C MBMG
770 EARTHQUAKE 12/13/1983 7:56:05 AM CLARK CANYON RESERVOIR AREA 45.011 -113.109 0.7 1.7 1.6 8 335 103.9 0.4 6.1 4.8 D MBMG
769 EARTHQUAKE 12/13/1983 2:28:31 AM CLARK CANYON RESERVOIR AREA 44.924 -112.858 21.3 1.4 7 335 104.7 0.09 1.6 1.4 C MBMG
768 EARTHQUAKE 12/12/1983 11:23:43 PM 15 KM SE OF LINCLON 46.801 -112.567 18.4 1.6 10 199 77.6 0.4 2.6 99.9 D MBMG
767 EARTHQUAKE 12/12/1983 2:28:22 PM CLARKSTON VALLEY 46.107 -111.467 13.4 1.2 6 190 20.6 0.36 71.7 38.7 D MBMG
766 EARTHQUAKE 12/12/1983 10:19:43 AM 7 KM SE OF CARDWELL 45.794 -111.932 3.9 1.1 6 219 6.3 0.35 10.5 3.3 D MBMG
765 EARTHQUAKE 12/12/1983 6:58:28 AM 10 KM N OF MANHATTAN 45.966 -111.318 12.3 1.4 6 229 22.1 0.17 6.1 2 D MBMG
764 EARTHQUAKE 12/12/1983 5:11:28 AM CHALLIS-MACKAY, ID 44.423 -114.114 10 3.7 3.3 10 0 0 0 0 0 NEIS 3.2
763 EARTHQUAKE 12/12/1983 4:55:36 AM CHALLIS-MACKAY, ID; FELT V 44.428 -114.102 10 4.4 35 0 0 0 0 0 NEIS 4.5
762 EARTHQUAKE 12/12/1983 1:07:49 AM CLARKSTON VALLEY 46.034 -111.407 7.1 1.3 7 189 20 0.2 3.3 35.8 D MBMG
761 EARTHQUAKE 12/11/1983 7:58:18 PM CHALLIS-MACKAY, ID 44.286 -114.16 10 4.4 4.1 12 0 0 0 0 0 NEIS 4
760 EARTHQUAKE 12/11/1983 7:56:37 PM 10 KM S OF THREE FORKS 45.847 -111.544 15.4 1.4 5 230 26 0.01 0.4 0.2 C MBMG
759 EARTHQUAKE 12/11/1983 5:48:25 PM CLARKSTON VALLEY 46.092 -111.465 13.2 6 184 20.9 0.35 99.9 99.9 D MBMG
758 EARTHQUAKE 12/11/1983 4:13:36 PM CLARKSTON VALLEY 46.054 -111.444 2 1.1 6 175 21.1 0.39 46.7 29.2 D MBMG
757 EARTHQUAKE 12/11/1983 12:00:05 PM CLARKSTON VALLEY 46.042 -111.397 11.2 1.2 5 188 18.9 0.18 13.2 9 D MBMG
756 EARTHQUAKE 12/11/1983 10:47:32 AM NEAR CARDWELL 45.854 -111.948 0.4 1.2 5 156 5.7 0.35 15.1 12 D MBMG
755 EARTHQUAKE 12/11/1983 10:00:26 AM CLARKSTON VALLEY 46.049 -111.464 2.4 2.5 6 173 22.8 0.49 15.5 14.6 D MBMG
754 EARTHQUAKE 12/11/1983 9:55:15 AM CLARKSTON VALLEY 46.088 -111.428 13 1.2 6 179 18.4 0.42 73.8 33.8 D MBMG
753 EARTHQUAKE 12/11/1983 5:10:03 AM NEAR CARDWELL 45.865 -111.945 2.3 1.7 1.2 5 158 6 0.29 19.6 21.5 D MBMG
752 EARTHQUAKE 12/11/1983 4:59:58 AM 20 KM NW OF AVON 46.698 -112.85 18.3 1.6 1.2 7 313 84.6 0.43 4.2 99.9 D MBMG
751 EARTHQUAKE 12/11/1983 2:49:15 AM CLARKSTON VALLEY 46.092 -111.438 14.6 1.5 6 181 18.9 0.39 93.1 41.3 D MBMG
750 EARTHQUAKE 12/10/1983 3:31:28 PM CLARKSTON VALLEY 46.053 -111.446 6.9 1.2 5 175 21.3 0.22 13.2 99.9 D MBMG
749 EARTHQUAKE 12/10/1983 2:58:59 PM CLARKSTON VALLEY 46.075 -111.491 3 2.7 2.5 3 7 159 23.4 0.53 15.2 14.9 D MBMG
748 EARTHQUAKE 12/10/1983 2:48:01 PM CLARKSTON VALLEY 46.087 -111.49 1.1 2.8 2.7 3.1 8 155 22.9 0.48 6.3 7.1 D MBMG
747 EARTHQUAKE 12/10/1983 7:18:13 AM CLARKSTON VALLEY 46.028 -111.37 12.9 1.2 5 199 18.4 0.19 18 3.8 D MBMG
746 EARTHQUAKE 12/10/1983 5:28:16 AM 15 KM NE OF MONIDA 44.611 -112.169 10.2 1.8 10 248 44.5 0.25 22.9 45.8 D MBMG
745 EARTHQUAKE 12/10/1983 4:56:47 AM S GRAVELLY RANGE 44.765 -112.015 0.6 1.6 7 321 119.7 0.28 3.4 3.3 D MBMG
744 EARTHQUAKE 12/10/1983 1:39:53 AM 10 KM SW OF DILLON 45.157 -112.811 7.6 2 2.2 9 325 79.1 0.33 3.9 4.7 D MBMG
743 EARTHQUAKE 12/10/1983 1:35:01 AM CHALLIS-MACKAY, ID 44.256 -114.156 10 4.2 3.9 13 0 0 0 0 0 NEIS 3.8
742 EARTHQUAKE 12/9/1983 6:04:53 PM CLARKSTON VALLEY 46.081 -111.466 2.9 1.3 5 180 21.4 0.37 32.4 27.6 D MBMG
741 EARTHQUAKE 12/8/1983 5:44:28 PM CLARKSTON VALLEY 45.995 -111.384 16.5 1.5 7 207 21.9 0.34 10.1 3.3 D MBMG
740 EARTHQUAKE 12/8/1983 4:53:05 PM CLARKSTON VALLEY 46.039 -111.4 9.4 1.6 7 188 19.3 0.27 6.2 10.8 D MBMG
739 EARTHQUAKE 12/8/1983 2:34:43 PM 10 KM NE OF SILVER STAR 45.732 -112.177 2.9 2 1.2 9 232 23.5 0.26 3.2 2.5 D MBMG
738 EARTHQUAKE 12/8/1983 7:02:53 AM CLARKSTON VALLEY 46.003 -111.366 13.5 6 208 20.3 0.13 4.7 1.6 D MBMG
737 EARTHQUAKE 12/8/1983 4:24:50 AM CHALLIS-MACKAY, ID 44.18 -113.91 10 4 10 0 0 0 0 0 NEIS 3.4
736 EARTHQUAKE 12/7/1983 7:15:11 AM HEBGEN LAKE REGION 44.742 -111.256 7.4 2.5 2.7 2.7 16 164 37.8 0.42 1.8 2.9 C MBMG
735 EARTHQUAKE 12/7/1983 7:05:31 AM 10 KM NW OF DEER LODGE 46.455 -112.703 10.6 1.5 8 302 42.4 0.28 4.6 6.2 D MBMG
734 EARTHQUAKE 12/7/1983 3:53:11 AM CLARKSTON VALLEY 46.027 -111.385 13.1 1.7 7 196 19.3 0.15 5.2 2.1 D MBMG
733 EARTHQUAKE 12/7/1983 3:52:39 AM CLARKSTON VALLEY 46.027 -111.415 7.1 7 190 21 0.18 2.6 31.9 D MBMG
732 EARTHQUAKE 12/7/1983 3:48:43 AM CLARKSTON VALLEY 46.045 -111.416 4.7 2.3 2 2.4 10 183 19.8 0.35 4.3 5.3 D MBMG
731 EARTHQUAKE 12/7/1983 3:46:21 AM CLARKSTON VALLEY 46.011 -111.389 6.5 1.3 7 201 20.8 0.1 1.9 99.9 D MBMG
730 EARTHQUAKE 12/7/1983 3:20:47 AM 20 KM N OF OVANDO 47.243 -113.196 11.1 2.4 2.4 2 11 251 73 0.37 3 3.1 D MBMG
729 EARTHQUAKE 12/7/1983 2:43:17 AM CLARKSTON VALLEY 45.968 -111.351 12.1 1.2 6 222 23 0.14 4.2 1.6 D MBMG
728 EARTHQUAKE 12/7/1983 2:39:07 AM CLARKSTON VALLEY 46.018 -111.412 3 1.8 8 194 21.5 0.2 4.9 3.3 D MBMG
727 EARTHQUAKE 12/7/1983 12:49:29 AM CLARKSTON VALLEY 46.021 -111.39 6.8 1.4 6 197 20 0.18 1.9 58.9 D MBMG
726 EARTHQUAKE 12/7/1983 12:07:37 AM CLARKSTON VALLEY 46.051 -111.45 1.8 2.2 1.9 2.4 7 175 21.7 0.25 7.3 7.1 D MBMG
725 EARTHQUAKE 12/6/1983 10:49:25 PM CLARKSTON VALLEY 45.982 -111.371 17.6 1.3 7 213 22.4 0.46 13.2 4 D MBMG
724 EARTHQUAKE 12/6/1983 10:00:31 AM CLARK CANYON RESERVOIR AREA 44.997 -112.722 0.4 1.5 7 333 94.1 0.5 6.1 6 D MBMG
723 EARTHQUAKE 12/6/1983 8:09:30 AM CLARKSTON VALLEY 46.14 -111.429 14.2 1.3 6 201 17.2 0.33 28.3 15.5 D MBMG
722 EARTHQUAKE 12/6/1983 5:40:24 AM 10 KM N OF MANHATTAN 45.966 -111.321 16 6 228 22.1 0.25 7.3 2.6 D MBMG
721 EARTHQUAKE 12/6/1983 4:36:47 AM 25 KM E OF ENNIS 45.431 -111.375 7.6 1.9 1.8 9 288 59.9 0.12 1.2 1.2 C MBMG
720 EARTHQUAKE 12/5/1983 1:23:39 PM CLARKSTON VALLEY 46.039 -111.392 13.8 1.7 7 190 18.8 0.41 14.7 6.2 D MBMG
719 EARTHQUAKE 12/5/1983 11:51:02 AM CHALLIS-MACKAY, ID 44.362 -114.12 10 3.8 3.4 9 0 0 0 0 0 NEIS 3.2
718 EARTHQUAKE 12/5/1983 11:19:28 AM CLARK CANYON RESERVOIR AREA 44.832 -112.849 18.8 1.8 8 330 114.4 0.43 8 5.6 D MBMG
717 EARTHQUAKE 12/5/1983 8:44:22 AM 20 KM W OF TOSTON 46.146 -111.733 6.8 6 212 36 0.21 2.3 99.9 D MBMG
716 EARTHQUAKE 12/5/1983 6:20:59 AM 10 KM N OF MANHATTAN 45.967 -111.326 11.7 1.1 6 227 22.3 0.04 1.1 0.5 C MBMG
715 EARTHQUAKE 12/5/1983 4:49:50 AM CLARKSTON VALLEY 46.004 -111.365 15.7 1.2 7 208 20.2 0.37 10.9 3.7 D MBMG
714 EARTHQUAKE 12/5/1983 2:13:27 AM CHALLIS-MACKAY, ID 44.302 -113.816 10 3.9 3.6 12 0 0 0 0 0 NEIS 3.5
713 EARTHQUAKE 12/4/1983 1:01:20 PM CLARKSTON VALLEY 46.035 -111.396 13.7 1.6 8 191 19.3 0.33 9.6 4.5 D MBMG
712 EARTHQUAKE 12/4/1983 12:30:33 PM CLARKSTON VALLEY 46.036 -111.396 12.2 5 190 19.3 0.1 3.5 5.7 D MBMG
711 EARTHQUAKE 12/4/1983 8:26:42 AM CLARKSTON VALLEY 46.016 -111.384 15.4 1.2 8 200 20.1 0.35 9.7 3.7 D MBMG
710 EARTHQUAKE 12/4/1983 5:06:21 AM CLARKSTON VALLEY 45.999 -111.365 16.1 1.3 8 210 20.7 0.35 9 3.1 D MBMG
709 EARTHQUAKE 12/4/1983 4:34:39 AM CLARKSTON VALLEY 45.995 -111.367 17.1 1.3 8 211 21.1 0.33 8.3 2.8 D MBMG
708 EARTHQUAKE 12/4/1983 2:11:29 AM CLARKSTON VALLEY 46.008 -111.384 11.8 1.2 6 203 20.8 0.1 2.7 3.1 D MBMG
707 EARTHQUAKE 12/4/1983 1:12:34 AM CLARKSTON VALLEY 46.025 -111.395 15.4 2 1.4 2.2 8 195 20 0.3 7 3.8 D MBMG
706 EARTHQUAKE 12/4/1983 1:11:27 AM CLARKSTON VALLEY 46.049 -111.442 1.5 2.2 1.8 2.4 8 177 21.3 0.18 4.5 4.4 C MBMG
705 EARTHQUAKE 12/3/1983 9:27:42 PM CLARKSTON VALLEY 46.085 -111.448 9.4 1.6 7 161 19.9 0.39 3.5 14.2 C MBMG
704 EARTHQUAKE 12/3/1983 9:07:43 PM CLARKSTON VALLEY 46.029 -111.395 15 1.2 7 193 19.7 0.31 10.4 4.1 D MBMG
703 EARTHQUAKE 12/3/1983 7:15:05 PM CLARKSTON VALLEY 46.002 -111.396 11.7 1.3 6 202 21.8 0.2 5.7 7.3 D MBMG
702 EARTHQUAKE 12/3/1983 6:58:42 PM CLARKSTON VALLEY 46.068 -111.449 9.2 1.3 7 168 20.7 0.28 3.4 14.8 C MBMG
701 EARTHQUAKE 12/3/1983 6:13:56 PM CLARKSTON VALLEY 46.088 -111.463 5.9 1.3 7 160 20.8 0.22 6 15.6 D MBMG
700 EARTHQUAKE 12/3/1983 5:44:36 PM CLARKSTON VALLEY 46.025 -111.388 16.7 1.4 7 196 19.6 0.32 10.5 3.8 D MBMG
699 EARTHQUAKE 12/3/1983 5:04:27 PM CLARKSTON VALLEY 46.085 -111.46 12.9 1.2 6 181 20.7 0.29 99.9 99.9 D MBMG
698 EARTHQUAKE 12/3/1983 4:37:23 PM CLARKSTON VALLEY 46.083 -111.425 12.3 1.3 7 166 18.4 0.25 5.3 8.3 D MBMG
697 EARTHQUAKE 12/3/1983 4:06:03 PM NEAR COBALT, ID 45.06 -114.446 14.4 2.6 2.7 2.7 10 291 177.7 0.23 2.9 3.1 D MBMG
696 EARTHQUAKE 12/3/1983 3:12:00 PM CLARKSTON VALLEY 46.015 -111.388 14.7 1.2 7 200 20.5 0.19 6.1 2.3 D MBMG
695 EARTHQUAKE 12/3/1983 2:42:04 PM CLARKSTON VALLEY 46.015 -111.395 13.2 1.3 7 198 20.8 0.21 3.9 2 D MBMG
694 EARTHQUAKE 12/3/1983 2:15:26 PM CLARKSTON VALLEY 46.011 -111.401 11.1 2.8 2.8 3.3 9 198 21.4 0.48 5 4.3 D MBMG
693 EARTHQUAKE 12/3/1983 2:09:42 PM CLARKSTON VALLEY 46.073 -111.475 1.4 2.4 2 2.5 8 162 22.3 0.36 7.3 7.5 D MBMG
692 EARTHQUAKE 12/3/1983 2:00:47 PM CLARKSTON VALLEY 46.051 -111.399 12.4 1.5 5 184 18.4 0.05 1.2 0.9 C MBMG
691 EARTHQUAKE 12/3/1983 12:47:01 PM 15 KM N OF COBALT, ID 45.147 -114.38 0.2 2.6 2.7 2.9 9 291 168.4 0.26 4.7 4 D MBMG
690 EARTHQUAKE 12/3/1983 8:00:24 AM 20 KM W OF TOSTON 46.15 -111.717 6.5 1.3 7 186 36.8 0.26 1.6 4.6 C MBMG
689 EARTHQUAKE 12/3/1983 5:25:34 AM HEBGEN LAKE REGION 44.768 -111.11 10 2 1.9 8 321 133.3 0.71 40.3 81.1 D MBMG
688 EARTHQUAKE 12/3/1983 5:12:43 AM HEBGEN LAKE REGION 44.706 -111.092 17.6 2 2.1 2.3 12 176 46.7 0.59 2.8 6.3 D MBMG
687 EARTHQUAKE 12/3/1983 3:10:16 AM CHALLIS-MACKAY, ID 44.48 -114.103 10 3.8 3.7 10 0 0 0 0 0 NEIS 3.3
686 EARTHQUAKE 12/2/1983 6:40:09 PM NEAR HARRISON 45.698 -111.843 22.1 1.6 6 242 15.8 0.4 13.6 7.2 D MBMG
685 EARTHQUAKE 12/1/1983 7:52:59 AM CHALLIS-MACKAY, ID 44.285 -114.133 10 4.3 12 0 0 0 0 0 NEIS 3.5
684 EARTHQUAKE 11/30/1983 5:21:02 PM 10 KM W OF NORRIS 45.606 -111.8 2.6 2.2 2 2.6 9 258 26.4 0.36 2.8 2.9 D MBMG
683 EARTHQUAKE 11/30/1983 5:04:04 AM 15 KM E OF WHITEHALL 45.862 -111.925 9.6 0.8 6 181 4.6 0.12 1.7 2.1 C MBMG
682 EARTHQUAKE 11/28/1983 6:22:40 PM 20 KM N OF COBALT, ID 45.243 -114.396 2.6 2.6 2.7 7 285 165.1 0.51 7.9 7.5 D MBMG
681 EARTHQUAKE 11/28/1983 3:26:33 PM 15 KM NW OF NORRIS 45.642 -111.946 4.1 1.5 7 251 22.4 0.11 1.1 1 C MBMG
680 EARTHQUAKE 11/28/1983 9:57:13 AM CLARKSTON VALLEY 46.078 -111.453 13.6 1.2 8 164 20.6 0.26 2.5 2.2 C MBMG
679 EARTHQUAKE 11/27/1983 5:53:45 PM 10 KM NW OF WHITEHALL 45.961 -112.216 0.9 2.2 2.1 9 118 20.6 0.17 0.5 1.1 C MBMG
678 EARTHQUAKE 11/27/1983 5:24:12 PM 12 KM NW OF HARRISON 45.682 -111.988 0.3 1.3 8 244 19.3 0.37 4.2 5 D MBMG
677 EARTHQUAKE 11/27/1983 8:40:38 AM 15 KM SW OF CAMERON 45.109 -111.752 6.8 1.6 7 196 65.8 0.48 6.9 6.3 D MBMG
676 EARTHQUAKE 11/27/1983 3:24:08 AM 10 KM NW OF MANHATTAN 45.919 -111.299 15.1 1.7 6 336 45.9 0.1 2.8 1.3 D MBMG
675 EARTHQUAKE 11/26/1983 4:34:48 PM 10 KM E OF THREE FORKS 45.86 -111.531 15.1 1.7 6 333 27.1 0.18 4.2 1.6 D MBMG
674 EARTHQUAKE 11/26/1983 8:14:28 AM 20 KM W OF TOSTON 46.159 -111.667 6.6 1.3 4 302 39.2 0.09 0 0 C MBMG
673 EARTHQUAKE 11/26/1983 6:36:48 AM 10 KM N OF COBALT, ID 45.129 -114.415 2.7 2.5 2.6 6 294 171.8 0.17 5.1 4 D MBMG
672 EARTHQUAKE 11/24/1983 10:24:39 PM 20 KM NW OF NORRIS 45.648 -111.945 2.2 1.5 6 250 21.7 0.11 1.7 2.3 C MBMG
671 EARTHQUAKE 11/24/1983 8:13:01 PM 20 KM NW OF NORRIS 45.664 -111.843 17.9 1.1 6 248 19.5 0.24 4.6 1.7 D MBMG
670 EARTHQUAKE 11/24/1983 3:41:49 PM 10 KM SW OF THREE FORKS 45.824 -111.741 6.5 1.3 6 329 10.7 0.09 1.7 0.5 C MBMG
669 EARTHQUAKE 11/23/1983 9:17:03 AM S GRAVELLY RANGE 44.878 -112.023 1.4 2.5 3 2.6 14 174 50.6 0.44 2.6 3.6 D MBMG
668 EARTHQUAKE 11/23/1983 12:42:00 AM 10 KM N OF MANHATTAN 45.976 -111.343 16.4 1.2 6 221 21.9 0.18 5.5 1.8 D MBMG
667 EARTHQUAKE 11/22/1983 1:25:46 PM 10 KM N OF MANHATTAN 45.932 -111.3 5.1 1.1 6 240 25.2 0.27 48.7 99.9 D MBMG
666 EARTHQUAKE 11/22/1983 7:52:28 AM CLARKSTON VALLEY 46.081 -111.463 7.4 1.6 8 161 21.1 0.36 4.1 45 C MBMG
665 EARTHQUAKE 11/22/1983 5:28:31 AM 20 KM SW OF BELGRADE 45.666 -111.373 16 1.4 6 340 43.6 0.19 5 1.8 D MBMG
664 EARTHQUAKE 11/21/1983 10:55:25 PM S GRAVELLY RANGE 44.813 -111.604 10 2.2 2.3 2.3 8 340 115.9 0.5 32.6 64.9 D MBMG
663 EARTHQUAKE 11/21/1983 8:43:22 PM 20 KM NE OF CANYON FERRY 46.773 -111.654 18.8 1.9 1.9 7 333 93.2 0.29 3.7 99.9 D MBMG
662 EARTHQUAKE 11/21/1983 7:11:36 PM CHALLIS-MACKAY, ID 44.027 -113.952 10 4.1 3.9 14 0 0 0 0 0 NEIS 3.6
661 EARTHQUAKE 11/21/1983 4:45:14 AM CLARKSTON VALLEY 46.082 -111.453 12.9 1.2 7 162 20.4 0.3 3.1 3.8 C MBMG
660 EARTHQUAKE 11/20/1983 9:36:48 PM 20 KM NW OF NORRIS 45.64 -111.929 7 2.3 2.5 2.6 10 252 22.4 0.23 2.1 2.9 C MBMG
659 EARTHQUAKE 11/20/1983 5:25:20 AM 10 KM NW OF NORRIS 45.627 -111.786 15.9 1.6 8 255 24.5 0.13 1.3 0.7 C MBMG
658 EARTHQUAKE 11/19/1983 10:51:17 PM 20 KM SW OF TOWNSEND 46.162 -111.628 15.9 1.2 5 213 32.5 0.38 17 15.5 D MBMG
657 EARTHQUAKE 11/19/1983 4:33:30 PM 20 KM NW OF NORRIS 45.66 -111.942 0.6 1.8 1.9 7 248 20.4 0.21 2.5 3.4 D MBMG
656 EARTHQUAKE 11/18/1983 2:01:43 PM 20 KM NE OF NORRIS 45.667 -111.531 8.5 1.3 8 258 33 0.56 7.3 47.3 D MBMG
655 EARTHQUAKE 11/18/1983 7:15:25 AM 10 KM NE OF CLARKSTON VALLEY 46.129 -111.173 2.3 1.6 7 289 3.5 0.3 6.5 6.5 D MBMG
654 EARTHQUAKE 11/17/1983 1:27:47 PM 10 KM N OF MANHATTAN 45.98 -111.37 9.8 1.2 8 214 22.6 0.18 2.2 6.4 D MBMG
653 EARTHQUAKE 11/17/1983 5:39:47 AM 20 KM E OF CLARKSTON VALLEY 46.089 -111.121 0.1 1.3 7 290 9.5 0.52 27.3 34.2 D MBMG
652 EARTHQUAKE 11/16/1983 2:25:42 PM 20 KM W OF HELENA 46.583 -112.404 13.3 1.3 8 295 54 0.38 4.2 3.8 D MBMG
651 EARTHQUAKE 11/16/1983 12:31:30 PM S GRAVELLY RANGE 44.974 -111.927 8.4 1.7 8 313 96.1 0.57 6.7 6.4 D MBMG
650 EARTHQUAKE 11/15/1983 12:48:39 PM S GRAVELLY RANGE 44.832 -111.505 16.2 2 10 169 103.8 0.6 4.6 8.9 D MBMG
649 EARTHQUAKE 11/13/1983 7:03:40 AM 20 KM NE OF AVON 46.695 -112.396 18.1 1.8 8 301 97.1 0.58 4.4 99.9 D MBMG
648 EARTHQUAKE 11/12/1983 11:15:33 PM 10 KM SE OF DEER LODGE 46.391 -112.675 13.8 1.9 1.7 7 198 65.5 0.22 4.5 3.8 D MBMG
647 EARTHQUAKE 11/12/1983 10:24:48 AM 20 KM SW OF WALLACE, ID 47.424 -116.144 0.6 2.6 2.2 11 143 115.5 0.46 2.4 4.2 D MBMG
646 EARTHQUAKE 11/10/1983 8:22:06 PM 10 KM NE OF THREE FORKS 45.971 -111.499 6.8 5 195 30 0.04 3.1 94.4 D MBMG
645 EARTHQUAKE 11/10/1983 6:25:17 AM S GRAVELLY RANGE 44.702 -111.77 18.5 2.5 3.1 3.1 19 128 82.8 0.32 1 99.9 D MBMG
644 EARTHQUAKE 11/9/1983 11:21:40 PM S GRAVELLY RANGE 44.977 -111.764 0.1 1.9 10 133 96.1 0.31 1.9 2.5 D MBMG
643 EARTHQUAKE 11/9/1983 4:12:38 PM 10 KM SW OF NORRIS 45.601 -111.762 1.9 2 8 259 22.4 0.22 1.9 2.1 C MBMG
642 EARTHQUAKE 11/9/1983 9:59:56 AM BRITISH COLUMBIA; FELT 49.55 -114.73 18 16 0 0 0 0 0 NEIS 3.5
641 EARTHQUAKE 11/9/1983 9:25:04 AM CHALLIS-MACKAY, ID 44.48 -114.14 10 4.3 3.6 7 0 0 0 0 0 NEIS 3.4
640 EARTHQUAKE 11/9/1983 4:15:57 AM CLARKSTON VALLEY 46.039 -111.48 5.2 10 167 9 0.18 1.3 1.6 C MBMG
639 EARTHQUAKE 11/9/1983 2:42:53 AM 40 KM SW OF AUGUSTA 47.393 -112.965 28 2.5 1.9 2.3 12 252 97 0.24 2 1.9 C MBMG
638 EARTHQUAKE 11/9/1983 2:30:13 AM 25 KM NNE OF TOWNSEND 46.544 -111.421 12.4 1.6 6 295 46.8 0.25 8.5 11 D MBMG
637 EARTHQUAKE 11/8/1983 11:32:43 PM CHALLIS-MACKAY, ID 44.236 -114.06 7 4.3 3.8 11 0 0 0 0 0 NEIS 3.5
636 EARTHQUAKE 11/8/1983 4:31:41 PM 20 KM NE OF ISLAND PARK, ID 44.533 -111.167 18.4 7 173 72.9 0.31 6.2 99.9 D MBMG
635 EARTHQUAKE 11/8/1983 3:21:16 PM HEBGEN LAKE REGION 44.588 -111.048 5.8 2.1 19 182 46.2 0.55 2.1 4.3 D MBMG
634 EARTHQUAKE 11/8/1983 3:52:51 AM NW FLATHEAD LAKE; FELT IV 48.042 -114.247 8 3 3.2 2.5 9 231 68.5 0.49 6.7 6.4 D MBMG * 2.8
633 EARTHQUAKE 11/7/1983 10:56:57 AM 10 KM NE OF BELGRADE 45.858 -111.063 12.9 1.6 10 264 34.2 0.31 3 3 D MBMG
632 EARTHQUAKE 11/6/1983 9:11:55 PM CHALLIS-MACKAY, ID 44.146 -113.949 10 4.4 4.1 9 0 0 0 0 0 NEIS 3.8
631 EARTHQUAKE 11/6/1983 9:04:49 PM CHALLIS-MACKAY, ID; FELT 44.145 -113.966 12 44 0 0 0 0 0 NEIS 4.3 4.6
630 EARTHQUAKE 11/6/1983 5:12:14 AM 20 KM NE OF TWIN 45.663 -112.092 1.4 1.8 10 118 20.6 0.22 0.8 2.4 C MBMG
629 EARTHQUAKE 11/5/1983 5:36:25 PM CHALLIS-MACKAY, ID 44.179 -114.021 11 4.1 3.7 10 0 0 0 0 0 NEIS 3.5
628 EARTHQUAKE 11/5/1983 5:37:40 AM CHALLIS-MACKAY, ID 44.227 -114.069 9 4.3 3.7 13 0 0 0 0 0 NEIS 3.6
627 EARTHQUAKE 11/5/1983 2:34:02 AM S GRAVELLY RANGE 44.804 -111.742 10.2 2 2.1 19 132 65.5 0.61 2.1 3.3 D MBMG
626 EARTHQUAKE 11/4/1983 7:08:19 AM CHALLIS-MACKAY, ID 44.207 -114.027 8 10 0 0 0 0 0 NEIS 3.5
625 EARTHQUAKE 11/4/1983 5:00:15 AM CHALLIS-MACKAY, ID 44.135 -113.936 7 3.8 3.5 10 0 0 0 0 0 NEIS 3.5
624 EARTHQUAKE 11/3/1983 3:47:30 PM CHALLIS-MACKAY, ID 44.303 -114.052 10 4.1 3.6 9 0 0 0 0 0 NEIS 3.6
623 EARTHQUAKE 11/3/1983 2:14:18 PM CHALLIS-MACKAY, ID 44.308 -114.142 10 9 0 0 0 0 0 NEIS 3.6
622 EARTHQUAKE 11/3/1983 9:11:22 AM 25 KM N OF LINCOLN 47.172 -112.622 12.8 2.1 1.9 1.8 9 226 107.3 0.16 1.6 3.6 C MBMG
621 EARTHQUAKE 11/3/1983 4:47:36 AM CHALLIS-MACKAY, ID 44.394 -114.074 10 4.1 3.8 6 0 0 0 0 0 NEIS 3.5
620 EARTHQUAKE 11/3/1983 4:15:16 AM CHALLIS-MACKAY, ID 44.271 -114.165 10 4.2 3.9 7 0 0 0 0 0 NEIS 3.6
619 EARTHQUAKE 11/3/1983 2:59:19 AM CHALLIS-MACKAY, ID 44.272 -114.126 10 4.4 4 8 0 0 0 0 0 NEIS 3.9
618 EARTHQUAKE 11/3/1983 2:24:14 AM CHALLIS-MACKAY, ID 44.377 -114.165 10 4.1 3.6 6 0 0 0 0 0 NEIS 3.4
617 EARTHQUAKE 11/3/1983 1:50:20 AM CHALLIS-MACKAY, ID 44.294 -114.135 10 4.4 4.3 9 0 0 0 0 0 NEIS 4.3 3.8
616 EARTHQUAKE 11/2/1983 11:43:55 PM CHALLIS-MACKAY, ID 44.27 -114.083 5 4.5 25 0 0 0 0 0 NEIS 3.2
615 EARTHQUAKE 11/2/1983 12:41:13 PM CHALLIS-MACKAY, ID 44.246 -114.158 10 4 9 0 0 0 0 0 NEIS 3.7
614 EARTHQUAKE 11/1/1983 4:50:04 PM NEAR HELENA 46.676 -112.052 4.5 1.9 6 215 87.4 0.55 5.2 11.7 D MBMG
613 EARTHQUAKE 11/1/1983 1:50:25 PM CHALLIS-MACKAY, ID 44.152 -113.987 11 4.4 3.9 13 0 0 0 0 0 NEIS 3.7
612 EARTHQUAKE 10/31/1983 4:08:33 PM CHALLIS-MACKAY, ID 44.26 -113.99 10 6 0 0 0 0 0 NEIS 3.6
611 EARTHQUAKE 10/30/1983 11:56:27 PM CHALLIS-MACKAY, ID 44.33 -114.05 10 4 0 0 0 0 0 NEIS 3.6
610 EARTHQUAKE 10/30/1983 7:23:42 PM CHALLIS-MACKAY, ID 44.83 -113.99 10 3.8 3.6 5 0 0 0 0 0 NEIS 3.6
609 EARTHQUAKE 10/30/1983 5:49:20 PM CHALLIS-MACKAY, ID 44.16 -113.95 10 4.2 3.9 7 0 0 0 0 0 NEIS 3.8
608 EARTHQUAKE 10/30/1983 12:54:00 PM CHALLIS-MACKAY, ID 44.31 -114.08 10 4 3.4 5 0 0 0 0 0 NEIS 3.6
607 EARTHQUAKE 10/30/1983 9:41:33 AM CHALLIS-MACKAY, ID 44.3 -114.11 10 4.3 3.6 7 0 0 0 0 0 NEIS 3.7
606 EARTHQUAKE 10/30/1983 7:14:01 AM CHALLIS-MACKAY, ID 44.3 -114.12 10 4.4 8 0 0 0 0 0 NEIS 3.9
605 EARTHQUAKE 10/30/1983 3:45:16 AM CHALLIS-MACKAY, ID 44.09 -114.2 10 4.6 5 0 0 0 0 0 NEIS 3.9
604 EARTHQUAKE 10/30/1983 2:54:40 AM CHALLIS-MACKAY, ID 44.27 -114.22 10 8 0 0 0 0 0 NEIS 4
603 EARTHQUAKE 10/30/1983 1:59:02 AM CHALLIS-MACKAY, ID 44.27 -114.22 10 23 0 0 0 0 0 NEIS 4.2 4.7
602 EARTHQUAKE 10/30/1983 1:24:51 AM CHALLIS-MACKAY, ID 44.083 -113.97 13 40 0 0 0 0 0 NEIS 4.3 4.8
601 EARTHQUAKE 10/30/1983 1:07:41 AM CHALLIS-MACKAY, ID 44.31 -114.07 10 4.2 3.5 8 0 0 0 0 0 NEIS 3.7
600 EARTHQUAKE 10/29/1983 11:49:44 PM CHALLIS-MACKAY, ID 44.17 -114.19 10 4.2 4 0 0 0 0 0 NEIS 3.8
599 EARTHQUAKE 10/29/1983 11:39:00 PM CHALLIS-MACKAY, ID; FELT 44.281 -114.115 10 99 0 0 0 0 0 NEIS 5.5 5 5.4
598 EARTHQUAKE 10/29/1983 11:29:12 PM CHALLIS-MACKAY, ID; FELT 44.231 -114.105 9 99 0 0 0 0 0 NEIS 5.4 5.8 5.8
597 EARTHQUAKE 10/29/1983 11:47:03 AM CHALLIS-MACKAY, ID 44.23 -113.88 10 4 3.5 7 0 0 0 0 0 NEIS 3.6
596 EARTHQUAKE 10/29/1983 8:15:18 AM CHALLIS-MACKAY, ID 44.253 -114.027 10 4.3 4.1 10 0 0 0 0 0 NEIS 3.9
595 EARTHQUAKE 10/29/1983 7:37:19 AM 15 KM NW OF MISSOULA 46.978 -114.197 1.3 2.8 1.6 9 175 25.6 0.29 13.1 2.2 D MBMG
594 EARTHQUAKE 10/29/1983 4:02:59 AM CHALLIS-MACKAY, ID 44.28 -114.06 10 4.1 3.3 7 0 0 0 0 0 NEIS 3.5
593 EARTHQUAKE 10/29/1983 3:11:47 AM CHALLIS-MACKAY, ID 44.34 -114 10 4 3.5 5 0 0 0 0 0 NEIS 3.6
592 EARTHQUAKE 10/29/1983 2:37:04 AM CHALLIS-MACKAY, ID 44.31 -114.08 10 4.4 3.5 10 0 0 0 0 0 NEIS 4
591 EARTHQUAKE 10/28/1983 8:19:03 PM CHALLIS-MACKAY, ID 44.17 -114 10 4.3 8 0 0 0 0 0 NEIS 3.7
590 EARTHQUAKE 10/28/1983 7:51:24 PM CHALLIS-MACKAY, ID; FELT 44.073 -113.911 7 99 0 0 0 0 0 NEIS 5.4 5.1 5.8
589 EARTHQUAKE 10/28/1983 7:30:45 PM CHALLIS-MACKAY, ID 44.31 -114.12 10 4 7 0 0 0 0 0 NEIS 3.6
588 EARTHQUAKE 10/28/1983 6:42:56 PM CHALLIS-MACKAY, ID 44 -114 10 4.6 7 0 0 0 0 0 NEIS 3.9
587 EARTHQUAKE 10/28/1983 6:31:52 PM CHALLIS-MACKAY, ID 44.242 -114.112 10 4.5 15 0 0 0 0 0 NEIS 4.1
586 EARTHQUAKE 10/28/1983 5:20:24 PM CHALLIS-MACKAY, ID 44.24 -114.12 10 4.5 8 0 0 0 0 0 NEIS 4
585 EARTHQUAKE 10/28/1983 3:54:32 PM CHALLIS-MACKAY, ID 44.33 -114.07 10 7 0 0 0 0 0 NEIS 4
584 EARTHQUAKE 10/28/1983 3:27:05 PM CHALLIS-MACKAY, ID 44.27 -114.13 10 7 0 0 0 0 0 NEIS 3.7
583 EARTHQUAKE 10/28/1983 3:14:08 PM CHALLIS-MACKAY, ID 44.181 -114.027 10 9 0 0 0 0 0 NEIS 4.3 4.6
582 EARTHQUAKE 10/28/1983 2:06:07 PM CHALLIS, ID; 2 DEAD; FELT VII 44.058 -113.857 10 99 0 0 0 0 0 NEIS 6.2 7.3
581 EARTHQUAKE 10/28/1983 6:26:49 AM 27 KM E OF TOWNSEND 46.307 -111.195 1 1.3 5 288 17.6 0.64 62.1 76.6 D MBMG
580 EARTHQUAKE 10/26/1983 7:32:07 AM 20 KM NW OF ENNIS 45.502 -111.923 36.2 1.2 6 273 54.4 0.28 5.6 10.8 D MBMG
579 EARTHQUAKE 10/25/1983 10:55:26 AM NEAR NORRIS 45.574 -111.789 18.2 2.3 1.9 7 263 58.5 0.26 3.4 99.9 D MBMG
578 EARTHQUAKE 10/23/1983 11:05:23 PM 12 KM N OF THREE FORKS 46.011 -111.532 6 1.2 6 195 29.4 0.42 3.1 4.6 D MBMG
577 EARTHQUAKE 10/23/1983 5:32:47 PM NW YELLOWSTONE PARK 44.705 -110.904 17.5 2.2 2.3 2.4 15 190 89.8 0.36 1.7 3.3 D MBMG
576 EARTHQUAKE 10/22/1983 6:18:46 PM 20 KM W OF HELMVILLE 46.912 -113.237 16.1 1.9 1.1 7 243 54.4 0.46 54 99.9 D MBMG
575 EARTHQUAKE 10/22/1983 9:37:32 AM 18 KM W OF HELMVILLE 46.871 -113.229 14.9 2.5 2.1 1.8 11 189 54.4 0.39 3.1 3 D MBMG
574 EARTHQUAKE 10/21/1983 3:41:32 PM 30 KM NW OF THREE FORKS 46.106 -111.821 6.6 1.3 6 176 42.7 0.19 2.6 99.9 C MBMG
573 EARTHQUAKE 10/20/1983 5:56:36 PM CLARKSTON VALLEY 46.026 -111.428 15.7 1.4 5 203 21.9 0.46 28.9 41.6 D MBMG
572 EARTHQUAKE 10/20/1983 10:28:17 AM W CENTENNIAL VALLEY 44.593 -112.104 11.9 2.6 2.6 3 18 128 39.1 0.42 1.4 2.1 C MBMG
571 EARTHQUAKE 10/20/1983 8:40:00 AM BIG ARM BAY, FLATHEAD LAKE 47.832 -114.355 9.5 2 10 219 71.5 0.31 2.8 2.6 D MBMG
570 EARTHQUAKE 10/20/1983 8:02:33 AM 10 KM NE OF SHERIDAN 45.468 -112.047 12.1 1.4 6 281 50.4 0.3 6.2 11.1 D MBMG
569 EARTHQUAKE 10/20/1983 12:04:10 AM 18 KM NW OF TOWNSEND 46.425 -111.72 12.1 1.7 6 254 50 0.14 2.5 1.8 D MBMG
568 EARTHQUAKE 10/19/1983 11:45:06 PM 18 KM NW OF TOWNSEND 46.424 -111.717 10.3 1.6 6 253 49.7 0.17 3.5 25.5 D MBMG
567 EARTHQUAKE 10/19/1983 11:37:58 PM HEBGEN LAKE REGION 44.779 -111.321 6.3 2 16 211 37 0.48 3.3 4 D MBMG
566 EARTHQUAKE 10/16/1983 9:57:49 PM 13 KM NE OF CARDWELL 45.803 -111.864 6.1 1.7 1.6 7 220 45.7 0.3 3.5 6.2 D MBMG
565 EARTHQUAKE 10/16/1983 9:17:24 PM NEAR CURCH HILL 45.772 -111.356 16.8 1.7 5 258 43.5 0.33 40.9 64.6 D MBMG
564 EARTHQUAKE 10/15/1983 8:19:27 PM 10 KM S OF EAST HELENA 46.522 -111.925 6.6 1.4 6 271 58.4 0.14 2.2 99.9 D MBMG
563 EARTHQUAKE 10/15/1983 4:59:43 PM 10 KM NW OF ENNIS 45.629 -111.804 14.1 2.2 1.2 1.9 6 254 54.8 0.25 5.6 43.7 D MBMG
562 EARTHQUAKE 10/15/1983 11:15:10 AM NEAR MULLAN, ID 47.485 -115.79 0.2 2.5 2.2 9 147 87.7 0.3 1.7 1.8 C MBMG
561 EARTHQUAKE 10/14/1983 3:09:42 AM 10 KM SE OF CARDWELL 45.818 -111.874 6.9 1.4 6 216 44.8 0.22 3 99.9 D MBMG
560 EARTHQUAKE 10/13/1983 8:21:51 PM 10 KM SE OF CARDWELL 45.808 -111.89 6.8 2 6 218 43.6 0.18 2.1 99.9 D MBMG
559 EARTHQUAKE 10/13/1983 9:45:27 AM NW YELLOWSTONE PARK; FELT IV 44.719 -110.971 8 3 3.6 3.5 16 185 91.4 0.46 3 4.7 D MBMG *
558 EARTHQUAKE 10/13/1983 9:45:27 AM HEBGEN LAKE AREA; FELT IV 44.708 -111.073 5 3.5 6 0 0 0 0 0 NEIS
557 EARTHQUAKE 10/12/1983 8:38:58 PM 18 KM OF ENNIS 45.493 -111.83 15.2 1.8 6 274 60.6 0.16 3.4 2.8 D MBMG
556 EARTHQUAKE 10/12/1983 1:04:30 PM 12 KM S OF DRUMMOND 46.569 -113.191 6.6 1.5 1 8 187 64.2 0.51 7.5 7 D MBMG
555 EARTHQUAKE 10/12/1983 7:37:14 AM 18 KM NW OF CHALLIS, ID 44.624 -114.35 12.6 3.1 3.3 3.2 13 227 142.5 0.31 4.5 4.7 D MBMG * 3.6
554 EARTHQUAKE 10/12/1983 7:37:12 AM NW OF CHALLIS, ID 44.643 -114.397 5 12 0 0 0 0 0 NEIS 3.6
553 EARTHQUAKE 10/11/1983 4:42:36 PM S GRAVELLY RANGE 44.95 -111.636 6.2 1.7 5 313 116.1 0.3 54.1 70.5 D MBMG
552 EARTHQUAKE 10/11/1983 2:01:13 PM S GRAVELLY RANGE 44.77 -111.507 18.1 2.3 2.4 17 146 97.7 0.37 1.1 3.2 D MBMG
551 EARTHQUAKE 10/11/1983 1:09:01 PM CLARKSTON VALLEY 46.075 -111.356 26.4 1.4 6 198 14.2 0.27 7.7 5.5 D MBMG
550 EARTHQUAKE 10/11/1983 12:37:32 PM HEBGEN LAKE REGION 44.807 -111.464 18.4 1.9 10 150 109.4 0.61 3 99.9 D MBMG
549 EARTHQUAKE 10/11/1983 7:00:34 AM S GRAVELLY RANGE 44.876 -111.656 15.5 1.6 6 315 122.2 0.2 34.3 68.2 D MBMG
548 EARTHQUAKE 10/10/1983 1:49:56 PM S GRAVELLY RANGE 44.89 -111.632 6.8 2.1 2.4 7 208 106 0.3 3.7 9.8 D MBMG
547 EARTHQUAKE 10/9/1983 11:05:41 AM NEAR TOSTON 46.193 -111.414 7 1.3 5 205 16.7 0.14 7.6 59.4 D MBMG
546 EARTHQUAKE 10/7/1983 3:25:11 AM 18 KM NE OF MONIDA 44.679 -112.149 18.2 1.9 2.1 2.2 16 134 77.6 0.36 1.7 3.5 D MBMG
545 EARTHQUAKE 10/5/1983 8:46:02 PM 15 KM N OF AVON 46.772 -112.594 9.7 1.6 1.5 10 196 76.9 0.36 2.4 3.2 D MBMG
544 EARTHQUAKE 10/1/1983 7:31:01 AM KALISPELL VALLEY 48.125 -114.225 17.7 2.2 1.4 10 210 68.1 0.31 2.7 4.5 D MBMG
543 EARTHQUAKE 10/1/1983 3:17:47 AM S GRAVELLY RANGE 44.925 -111.783 8.9 2.7 3.2 3.3 18 131 46.4 0.44 1.9 3.6 C MBMG
542 EARTHQUAKE 9/29/1983 8:15:40 AM 10 KM SE OF TOWNSEND 46.268 -111.465 4.5 5 229 23.8 0.2 21.6 49 D MBMG
541 EARTHQUAKE 9/29/1983 6:15:46 AM 18 KM NW OF WHITEHALL 45.97 -112.279 6.5 1.5 0.5 6 143 16 0.07 0.5 99.9 C MBMG
540 EARTHQUAKE 9/28/1983 9:59:23 PM 13 KM SW OF WHITEHALL 45.77 -112.212 6.2 1.2 6 226 19.5 0.18 8.7 10.4 D MBMG
539 EARTHQUAKE 9/27/1983 5:36:38 PM CLARKSTON VALLEY 46.02 -111.454 8.4 2.1 1.6 6 201 23.9 0.35 3.9 34.3 D MBMG
538 EARTHQUAKE 9/27/1983 7:40:48 AM 18 KM SE OF TOWNSEND 46.188 -111.346 3.8 2.2 1.8 6 213 11.5 0.41 15.8 36.2 D MBMG
537 EARTHQUAKE 9/25/1983 7:43:00 AM NEAR THREE FORKS 45.895 -111.468 9.1 1.4 5 223 32.5 0.02 1.3 2.4 C MBMG
536 EARTHQUAKE 9/25/1983 12:16:13 AM W OF CHURCH HILL; POOR SOL'N 45.783 -111.435 61.5 1.3 4 250 35 0.5 0 0 D MBMG
535 EARTHQUAKE 9/24/1983 11:25:03 AM NEAR CANYON FERRY 46.709 -111.611 8.8 1.6 1.6 7 300 69.5 0.43 3.7 5.5 D MBMG
534 EARTHQUAKE 9/24/1983 11:06:34 AM CLARKSTON VALLEY 46.068 -111.466 13.9 1.1 6 175 21.9 0.4 66.6 29.6 D MBMG
533 EARTHQUAKE 9/23/1983 6:13:24 PM 20 KM NW OF LIMA 44.825 -112.757 4.5 1.9 2.1 2.1 13 180 81.6 0.43 3.6 3.4 D MBMG
532 EARTHQUAKE 9/22/1983 11:14:15 PM 20 KM NW OF LIMA 44.83 -112.718 0.1 1.7 2 10 193 82 0.24 2.1 1.5 C MBMG
531 EARTHQUAKE 9/21/1983 9:13:32 AM CLARKSTON VALLEY 46.126 -111.455 6.6 5 175 19.3 0.18 2.7 99.9 D MBMG
530 EARTHQUAKE 9/20/1983 1:32:45 PM HEBGEN LAKE REGION 44.85 -111.473 17.5 1.9 16 150 106.8 0.38 1.5 4.2 D MBMG
529 EARTHQUAKE 9/20/1983 1:23:35 AM 25 KM ESE OF BOULDER 46.157 -111.837 20.3 1.3 6 219 35.7 0.13 32.7 96.1 D MBMG
528 EARTHQUAKE 9/17/1983 8:44:45 AM CLARKSTON VALLEY 46.084 -111.483 7.1 6 182 22.5 0.39 9.8 99.9 D MBMG
527 EARTHQUAKE 9/9/1983 3:00:43 PM 10 KM NW OF WOLF CREEK 47.071 -112.136 0.1 2.2 2.2 7 310 122.1 0.34 2.9 3.4 D MBMG
526 EARTHQUAKE 9/9/1983 1:09:36 AM NW OF STANLEY BASIN, ID; FELT 44.58 -115.674 5 4 15 0 0 0 0 0 NEIS 3.6
525 EARTHQUAKE 9/7/1983 8:22:31 AM S GRAVELLY RANGE 44.779 -111.63 17.6 1.7 9 109 17.2 0.37 3.9 3.9 C MBMG
524 EARTHQUAKE 9/7/1983 8:18:39 AM S GRAVELLY RANGE 44.814 -111.577 10.3 1.6 7 142 12.1 0.49 6.8 11.4 D MBMG
523 EARTHQUAKE 9/6/1983 9:56:42 PM S GRAVELLY RANGE 44.767 -111.552 18.5 1.7 7 176 12.4 0.48 4.7 35.7 C MBMG
522 EARTHQUAKE 9/6/1983 7:33:39 PM 10 KM NE OF CANYON FERRY 46.73 -111.656 9.3 1.5 6 301 73.2 0.32 10.9 15 D MBMG
521 EARTHQUAKE 9/6/1983 6:32:58 PM NEAR ARLEE 47.157 -114.27 1.5 2 1.1 6 220 22.6 0.11 2.8 1.6 D MBMG
520 EARTHQUAKE 9/6/1983 4:40:07 PM 30 KM SSE OF ENNIS 45.092 -111.587 0.7 1.7 1.9 7 306 31.4 0.3 6.4 6.5 D MBMG
519 EARTHQUAKE 9/5/1983 12:50:26 AM 10 KM N OF BOULDER 46.343 -112.114 7 0.9 6 263 59.1 0.25 3.2 99.9 D MBMG
518 EARTHQUAKE 9/4/1983 9:50:49 PM N GRAVELLY RANGE 45.077 -111.938 9.2 2.6 3 15 123 48.6 0.28 1.3 2.4 C MBMG
517 EARTHQUAKE 9/3/1983 7:10:14 AM HEBGEN LAKE REGION 44.797 -111.404 0.3 1.5 6 342 4.5 0.32 5.2 4.9 D MBMG
516 EARTHQUAKE 8/30/1983 11:41:01 PM 15 KM NNE OF KALISPELL 48.293 -114.104 0.1 2.5 2.3 2 12 226 76.9 0.29 2.4 2.5 C MBMG
515 EARTHQUAKE 8/30/1983 10:13:36 AM NEAR THREE FORKS 45.911 -111.484 6.5 1.1 6 216 31.6 0.14 4.3 99.9 D MBMG
514 EARTHQUAKE 8/30/1983 7:40:04 AM S GRAVELLY RANGE 44.827 -111.539 6.2 1.4 5 242 9 0.69 14.2 16 D MBMG
513 EARTHQUAKE 8/30/1983 5:31:24 AM NEAR THREE FORKS 45.978 -111.531 6.6 2 1.4 2 7 187 31.1 0.28 3.3 99.9 D MBMG
512 EARTHQUAKE 8/30/1983 5:18:33 AM NEAR THREE FORKS 45.963 -111.536 12.1 2 1.4 2 7 191 30 0.28 3.9 8.5 D MBMG
511 EARTHQUAKE 8/29/1983 11:21:58 PM 20 KM S OF HELENA 46.408 -111.977 7.7 2.4 2.4 2.1 12 182 63 0.39 2.4 5.5 D MBMG
510 EARTHQUAKE 8/29/1983 3:28:05 PM 15 KM NE OF WHITEHALL 45.962 -111.963 10 1.4 6 183 15.3 0.73 27.5 61.2 D MBMG
509 EARTHQUAKE 8/29/1983 10:32:47 AM 10 KM S OF LINCOLN 46.86 -112.741 10 1.4 5 341 117.5 0.28 11.9 23.5 D MBMG
508 EARTHQUAKE 8/28/1983 8:57:46 AM FLATHEAD LAKE AREA 48.611 -113.99 1.2 2.5 2.5 8 314 87.7 0.69 35.4 73.6 D MBMG
507 EARTHQUAKE 8/28/1983 1:25:59 AM CLARKSTON VALLEY 46.031 -111.471 6.6 1.2 6 179 24.3 0.24 6 99.9 D MBMG
506 EARTHQUAKE 8/27/1983 10:57:16 PM S GRAVELLY RANGE 44.889 -111.722 10 1.7 7 226 24.2 0.64 17.8 35.8 D MBMG
505 EARTHQUAKE 8/27/1983 6:54:20 AM HEBGEN LAKE REGION 44.868 -111.47 8.3 1.8 2 8 130 5.1 0.36 3.3 4.4 C MBMG
504 EARTHQUAKE 8/26/1983 2:28:38 PM S GRAVELLY RANGE 44.881 -111.527 3.7 1.9 6 202 9.6 0.37 12.4 18.7 D MBMG
503 EARTHQUAKE 8/25/1983 7:58:49 PM HEBGEN LAKE REGION 44.887 -111.455 8.5 1.9 2.4 2.5 10 151 6.4 0.58 4.2 6.4 D MBMG
502 EARTHQUAKE 8/25/1983 7:50:21 PM HEBGEN LAKE REGION 44.888 -111.468 2.2 3 3.6 3.6 13 183 110.7 0.61 4.9 6.7 D MBMG
501 EARTHQUAKE 8/25/1983 7:49:35 PM HEBGEN LAKE REGION 44.869 -111.491 13.6 3.1 3.1 14 182 108.1 0.49 3.6 5.7 D MBMG
500 EARTHQUAKE 8/25/1983 3:45:48 PM S GRAVELLY RANGE 44.889 -111.544 12.1 2.3 2.8 15 179 108.4 0.7 3.6 7.2 D MBMG
499 EARTHQUAKE 8/24/1983 12:54:51 AM 45 KM ENE OF MISSOULA 46.93 -113.428 16.5 2 8 189 40.6 0.38 4.8 3.7 D MBMG
498 EARTHQUAKE 8/23/1983 7:48:46 AM HEBGEN LAKE REGION 44.746 -111.316 14.9 1.9 13 159 13.1 0.48 3.1 3 C MBMG
497 EARTHQUAKE 8/21/1983 2:13:02 AM 15 KM N OF THREE FORKS 46.073 -111.582 6.2 1.1 6 186 30.1 0.26 3.6 5.4 D MBMG
496 EARTHQUAKE 8/21/1983 12:58:42 AM 10 KM N OF THREE FORKS 46.036 -111.572 6.3 1 6 175 30.8 0.08 1.4 1.9 C MBMG
495 EARTHQUAKE 8/19/1983 10:29:48 PM 15 KM N OF SEELEY LAKE 47.3 -113.469 20.6 2.4 2.4 13 174 84.2 0.6 3.7 4.3 D MBMG
494 EARTHQUAKE 8/19/1983 1:49:55 PM S GRAVELLY RANGE 44.597 -112.008 10 1.7 6 241 31.7 0.49 99.9 99.9 D MBMG
493 EARTHQUAKE 8/19/1983 11:24:37 AM 35 KM ESE OF MISSOULA 46.796 -113.533 18.2 2.2 1.7 9 173 89.4 0.18 4.3 4.2 D MBMG
492 EARTHQUAKE 8/19/1983 6:53:29 AM S GRAVELLY RANGE 44.79 -111.554 2.1 1.6 6 264 11.2 0.17 3.6 4 D MBMG
491 EARTHQUAKE 8/19/1983 3:48:43 AM CLARKSTON VALLEY 46.018 -111.479 1.6 2.8 3.1 13 115 25.5 0.15 0.6 1.1 B MBMG
490 EARTHQUAKE 8/19/1983 2:40:12 AM NEAR HARRISON 45.635 -111.803 14.5 1.9 7 253 23.2 0.08 1 0.5 C MBMG
489 EARTHQUAKE 8/18/1983 2:11:03 PM 15 KM NNE OF HELENA 46.737 -111.989 7.1 1.4 6 298 88.8 0.41 5.8 99.9 D MBMG
488 EARTHQUAKE 8/17/1983 7:46:06 PM S GRAVELLY RANGE 44.965 -111.558 8.5 1.6 5 179 18 0.46 34.6 27.3 D MBMG
487 EARTHQUAKE 8/17/1983 10:10:25 AM 15 KM NE OF WHITHEALL 45.949 -111.94 10 1.7 6 178 13.3 0.77 3.6 7 D MBMG
486 EARTHQUAKE 8/16/1983 7:13:38 AM S GRAVELLY RANGE 44.653 -111.852 15.6 1.6 7 212 23.2 0.65 16.2 25.9 D MBMG
485 EARTHQUAKE 8/15/1983 12:43:28 PM 20 KM SE OF TOWNSEND 46.164 -111.458 15 1.6 5 211 19.4 0.44 51.6 29.7 D MBMG
484 EARTHQUAKE 8/15/1983 5:40:01 AM CLARKSTON VALLEY 46.056 -111.463 14.6 1.2 5 171 22.3 0.49 65.8 27.1 D MBMG
483 EARTHQUAKE 8/15/1983 5:18:33 AM CLARKSTON VALLEY 46.025 -111.436 11.9 1.1 6 187 22.4 0.2 7.7 7.8 D MBMG
482 EARTHQUAKE 8/15/1983 4:16:35 AM CLARKSTON VALLEY 46.045 -111.455 11.8 1.4 6 176 22.3 0.22 6.1 8.9 D MBMG
481 EARTHQUAKE 8/15/1983 12:24:34 AM CLARKSTON VALLEY 46.075 -111.511 1.2 2.2 1.4 6 182 24.8 0.13 3.7 4.3 D MBMG
480 EARTHQUAKE 8/14/1983 12:53:13 AM S GRAVELLY RANGE 44.683 -111.808 8.2 3.2 4.1 11 112 23 0.62 3.9 8.5 D MBMG * 3.8
479 EARTHQUAKE 8/13/1983 9:43:08 AM S GRAVELLY RANGE 44.645 -111.763 18 2.4 2.7 15 108 17.5 0.67 2.4 2.3 C MBMG
478 EARTHQUAKE 8/13/1983 5:56:09 AM S GRAVELLY RANGE 44.833 -111.791 1.7 2.6 2.9 11 245 28.8 0.45 3.3 4.3 D MBMG
477 EARTHQUAKE 8/13/1983 4:55:11 AM S GRAVELLY RANGE 44.836 -111.798 6.3 1.9 1.9 8 244 29.4 0.49 6.4 6.8 D MBMG
476 EARTHQUAKE 8/13/1983 4:41:06 AM S GRAVELLY RANGE 44.704 -111.782 13.1 3.1 3.8 11 111 23.6 0.17 1.5 1.8 B MBMG * 3.8
475 EARTHQUAKE 8/12/1983 5:02:16 AM S GRAVELLY RANGE 44.791 -111.572 9.4 2.1 2.2 10 141 12.4 0.62 6.6 11.8 D MBMG
474 EARTHQUAKE 8/11/1983 3:58:46 AM HEBGEN LAKE REGION 44.747 -111.258 12.7 2.5 3.2 17 164 16.4 0.51 2.1 2.7 D MBMG
473 EARTHQUAKE 8/10/1983 7:55:24 PM HEBGEN LAKE REGION 44.769 -111.238 7.7 2.4 2.6 15 165 16.6 0.29 1.4 2.3 C MBMG
472 EARTHQUAKE 8/10/1983 1:26:06 PM HEBGEN LAKE REGION 44.754 -111.224 15.4 2.3 14 166 18.3 0.4 1.9 2.3 C MBMG
471 EARTHQUAKE 8/10/1983 11:09:50 AM 25 KM WSW OF LIMA 44.598 -112.877 6.3 2.6 3 15 205 58.4 0.49 3.3 4.2 D MBMG
470 EARTHQUAKE 8/8/1983 1:37:59 PM 20 KM NW OF THREE FORKS 46.103 -111.755 7.3 1.3 6 203 31 0.39 99.9 99.9 D MBMG
469 EARTHQUAKE 8/7/1983 6:16:36 PM NW YELLOWSTONE PARK 44.711 -110.597 16.3 2.2 7 327 160.5 0.32 6.7 6.4 D MBMG
468 EARTHQUAKE 8/7/1983 5:18:29 PM CLARKSTON VALLEY 45.923 -111.478 6.6 1.3 6 213 32.5 0.15 4.2 99.9 D MBMG
467 EARTHQUAKE 8/6/1983 10:31:37 PM S GRAVELLY RANGE 44.811 -111.599 17.3 1.8 1.9 11 146 32 0.2 1.6 1.4 C MBMG
466 EARTHQUAKE 8/6/1983 8:25:36 PM HEBGEN LAKE REGION 44.907 -111.497 13.4 1.7 6 178 9.8 0.64 21.9 33.1 D MBMG
465 EARTHQUAKE 8/6/1983 7:16:50 PM S GRAVELLY RANGE 44.801 -111.589 5.3 1.4 5 255 13.3 0.46 0.8 1.1 D MBMG
464 EARTHQUAKE 8/6/1983 6:31:45 PM HEBGEN LAKE REGION 44.914 -111.491 10.9 1.5 6 173 10.3 0.4 14.4 19.2 D MBMG
463 EARTHQUAKE 8/6/1983 4:43:38 PM 20 KM SE OF BOZEMAN 45.562 -110.945 1 1.8 1.8 7 301 68.4 0.65 16.4 17.4 D MBMG
462 EARTHQUAKE 8/6/1983 12:16:41 PM 15 KM NE OF WHITEHALL 45.953 -111.962 10 1.3 5 180 14.3 0.72 2.1 4.3 D MBMG
461 EARTHQUAKE 8/6/1983 8:38:31 AM S GRAVELLY RANGE 44.737 -111.558 1 1.5 6 286 15 0.65 76.5 72.5 D MBMG
460 EARTHQUAKE 8/6/1983 7:00:40 AM S GRAVELLY RANGE 44.763 -111.561 0.8 1.5 7 276 13.3 0.59 13 12.3 D MBMG
459 EARTHQUAKE 8/5/1983 8:54:21 PM CLARKSTON VALLEY 45.993 -111.549 7.3 1.2 6 179 30.8 0.2 7.5 51.5 D MBMG
458 EARTHQUAKE 8/5/1983 9:21:25 AM S GRAVELLY RANGE 44.886 -111.558 0.6 1.9 1.7 9 207 11.9 0.39 5.2 4.5 D MBMG
457 EARTHQUAKE 8/5/1983 12:02:21 AM HEBGEN LAKE REGION 44.84 -111.458 5.4 2.2 2.7 12 219 2.6 0.53 6.9 5.6 D MBMG
456 EARTHQUAKE 8/3/1983 4:16:52 AM CLARKSTON VALLEY 46.043 -111.471 6.6 1.5 8 174 23.5 0.14 1.3 99.9 C MBMG
455 EARTHQUAKE 8/2/1983 4:38:15 PM NEAR HELENA 46.62 -112.051 11.2 2.5 2.7 13 131 3.1 0.34 1.9 1.7 C MBMG
454 EARTHQUAKE 8/1/1983 6:54:39 PM 10 KM NW OF NORRIS 45.673 -111.793 5.7 2.3 1.8 12 247 19.5 0.48 3.4 3.7 D MBMG
453 EARTHQUAKE 8/1/1983 12:06:48 PM NEAR LIMA DAM 44.669 -112.359 16.1 2.4 2.6 17 251 60.7 0.57 2.6 3 D MBMG
452 EARTHQUAKE 8/1/1983 2:45:16 AM HEBGEN LAKE REGION 44.862 -111.316 10 1.5 7 317 117 0.36 18.6 38.1 D MBMG
451 EARTHQUAKE 8/1/1983 2:28:50 AM CLARKSTON VALLEY 45.997 -111.543 0.2 1.9 1.6 13 179 30.9 0.27 1.2 2.4 C MBMG
450 EARTHQUAKE 8/1/1983 1:55:34 AM 20 KM SSW OF MANHATTAN 45.703 -111.384 4 1.6 10 264 41.2 0.45 5.6 10.8 D MBMG
449 EARTHQUAKE 7/31/1983 8:21:59 AM NEAR MANHATTAN 45.946 -111.313 6.2 1.8 10 235 24 0.27 2.2 4.8 C MBMG
448 EARTHQUAKE 7/30/1983 12:47:49 PM HEBGEN LAKE REGION 44.873 -111.473 12.6 2 2.4 17 132 5.7 0.63 3 4.2 C MBMG
447 EARTHQUAKE 7/30/1983 9:18:18 AM S GRAVELLY RANGE 44.783 -112.056 17.4 1.9 9 215 44.9 0.49 41.1 82.4 D MBMG
446 EARTHQUAKE 7/29/1983 1:42:03 PM 20 KM ENE OF DEER LODGE 46.456 -112.387 7 1.4 10 232 30.3 0.43 4 99.9 D MBMG
445 EARTHQUAKE 7/29/1983 11:56:26 AM 35 KM NNW OF HELENA 46.902 -112.208 0.1 1.4 7 298 35.7 0.49 25.2 30.4 D MBMG
444 EARTHQUAKE 7/28/1983 1:31:44 PM 10 KM NE OF CANYON FERRY 46.742 -111.568 12.8 1.8 1.7 11 257 20.4 0.43 3.7 3.6 D MBMG
443 EARTHQUAKE 7/28/1983 11:03:50 AM HEBGEN LAKE REGION 44.766 -111.342 16.6 1.9 11 216 10 0.48 4.3 4.2 D MBMG
442 EARTHQUAKE 7/28/1983 7:37:58 AM HEBGEN LAKE AREA 44.723 -111.186 17 2.1 12 238 22.6 0.3 2.9 3.7 D MBMG
441 EARTHQUAKE 7/27/1983 10:19:19 PM 25 KM SE OF WHITEHALL 45.72 -111.846 14.5 1.2 8 237 13.3 0.26 2.7 2.4 D MBMG
440 EARTHQUAKE 7/27/1983 9:53:31 AM NEAR HELENA 46.543 -112.003 6.1 1.7 1.3 9 126 6.4 0.41 3.1 4.1 C MBMG
439 EARTHQUAKE 7/27/1983 8:07:27 AM 50 KM WSW OF AUGUSTA 47.409 -113.125 18.4 2.6 2.4 11 231 111.9 0.61 5.9 6.6 D MBMG
438 EARTHQUAKE 7/27/1983 3:50:11 AM S GRAVELLY RANGE 44.766 -111.613 12.6 1.9 5 268 16.5 0.03 1.4 1.2 C MBMG
437 EARTHQUAKE 7/26/1983 9:37:03 PM NEAR MANHATTAN 45.827 -111.346 5.2 6 253 37.3 0.43 70 93.1 D MBMG
436 EARTHQUAKE 7/26/1983 1:18:26 PM CLARKSTON VALLEY 45.976 -111.179 4.1 1.2 6 261 19.4 0.51 15.3 32.3 D MBMG
435 EARTHQUAKE 7/25/1983 7:02:49 PM 15 KM ESE OF MISSOULA 46.855 -113.868 15.5 2.8 3.3 9 168 64.2 0.29 5.7 6.5 D MBMG
434 EARTHQUAKE 7/25/1983 11:44:12 AM 30 KM SW OF OVANDO 46.815 -113.354 21.3 2 1.8 1.7 11 162 44.8 0.32 3.7 4.2 C MBMG
433 EARTHQUAKE 7/25/1983 10:20:27 AM 25 KM SW OF OVANDO 46.848 -113.294 18.1 2.4 2.4 2.2 10 167 49.4 0.34 3 99.9 C MBMG
432 EARTHQUAKE 7/25/1983 7:33:36 AM NEAR OVANDO 46.952 -113.206 18.4 2.1 2 1.8 12 181 57.7 0.6 4 99.9 D MBMG
431 EARTHQUAKE 7/24/1983 6:02:28 AM S GRAVELLY RANGE 44.703 -111.793 9.3 1.7 1.8 2 9 192 24.1 0.57 8.1 19.4 D MBMG
430 EARTHQUAKE 7/24/1983 1:45:12 AM 30 KM ENE OF WHITEHALL 46.008 -111.783 16.6 1.4 6 182 20.3 0.69 5.6 7.2 D MBMG
429 EARTHQUAKE 7/23/1983 2:02:33 AM 25 KM ESE OF WHITEHALL 45.789 -111.763 20.9 1.3 5 227 10.5 0.22 16.4 4 D MBMG
428 EARTHQUAKE 7/22/1983 11:23:14 PM 15 KM SW OF TOWNSEND 46.24 -111.54 10.1 1.2 6 235 27.6 0.44 4.6 22.2 D MBMG
427 EARTHQUAKE 7/22/1983 9:44:16 PM 30 KM E OF MISSOULA 46.867 -113.359 18.5 1.8 1.2 11 168 44.6 0.33 3.4 4.5 C MBMG
426 EARTHQUAKE 7/21/1983 8:06:47 AM 10 KM NE OF MANHATTAN 45.951 -111.276 5.8 6 241 22.6 0.3 99.9 99.9 D MBMG
425 EARTHQUAKE 7/20/1983 11:14:53 PM S GRAVELLY RANGE 44.794 -111.58 3.4 1.6 7 259 12.9 0.48 7.4 9.4 D MBMG
424 EARTHQUAKE 7/20/1983 6:29:15 AM 15 KM NW OF DILLON 45.336 -112.737 9.5 2.3 2.3 10 331 58.5 0.37 3.5 2.8 D MBMG
423 EARTHQUAKE 7/19/1983 4:43:28 PM 30 KM WSW OF LEWISTOWN 46.961 -109.855 19.6 1.9 7 351 137.4 0.37 6.9 4.9 D MBMG
422 EARTHQUAKE 7/18/1983 2:31:42 AM 10 KM SSE OF THREE FORKS 45.793 -111.515 7.5 1.2 5 241 28.6 0.28 8.6 58.1 D MBMG
421 EARTHQUAKE 7/16/1983 7:02:33 PM 15 KM ESE OF LIMA RESERVOIR 44.589 -112.029 9.5 1.8 14 123 33.1 0.61 2 3.5 D MBMG
420 EARTHQUAKE 7/16/1983 5:22:04 PM CLARKSTON VALLEY 46.034 -111.456 6.6 1.2 6 180 23.1 0.14 3.6 99.9 D MBMG
419 EARTHQUAKE 7/16/1983 9:14:57 AM 35 KM NW OF POLSON 47.803 -114.695 17.6 3 3 2.3 13 136 69.9 0.35 3.3 5.9 D MBMG
418 EARTHQUAKE 7/14/1983 10:20:12 AM 25 KM ESE OF CANYON FERRY 46.579 -111.451 4.7 2.2 2.1 2.2 13 222 32.6 0.33 2.1 3.5 D MBMG
417 EARTHQUAKE 7/14/1983 10:16:42 AM 15 KM SSE OF WHITEHALL 45.761 -112.092 0.9 1.4 6 221 18.7 0.34 35.1 19.5 D MBMG
416 EARTHQUAKE 7/14/1983 6:25:44 AM 30 KM WSW OF LIMA 44.536 -112.972 12.9 2.1 2 2.2 9 222 54.6 0.59 21.7 35.4 D MBMG
415 EARTHQUAKE 7/10/1983 10:54:40 AM S GRAVELLY RANGE 45.03 -111.725 17.4 2.7 3.4 3 15 136 56.8 0.51 1.7 4.5 D MBMG
414 EARTHQUAKE 7/10/1983 2:44:02 AM NEAR BELGRADE 45.86 -111.194 5.2 1.5 6 269 32.2 0.4 99.9 99.9 D MBMG
413 EARTHQUAKE 7/6/1983 2:27:12 AM 15 KM SE OF WEST YELLOWSTONE 44.556 -111.01 0.5 2.6 2.7 2.7 16 191 48.8 0.67 2.7 3.5 D MBMG
412 EARTHQUAKE 7/4/1983 5:53:32 AM HEBGEN LAKE REGION 44.93 -110.849 4 1.9 2.3 10 329 129.2 0.26 5.2 4.9 D MBMG
411 EARTHQUAKE 7/2/1983 5:06:52 PM S GRAVELLY RANGE 44.827 -111.539 8.4 1.6 7 172 34.3 0.57 8.5 10.9 D MBMG
410 EARTHQUAKE 7/2/1983 3:14:46 PM FLATHEAD LAKE 47.773 -113.99 10.3 2.4 2.8 1.4 16 167 98.1 0.5 2.8 4.1 D MBMG
409 EARTHQUAKE 7/2/1983 5:02:11 AM HEBGEN LAKE REGION 44.598 -111.276 13.6 1.6 8 180 28.7 0.21 2.8 3.2 C MBMG
408 EARTHQUAKE 7/1/1983 4:24:38 PM 45 KM S OF LIMA 44.229 -112.653 19.6 2.3 2.7 2.8 12 178 15.3 0.26 2.1 2.5 C MBMG
407 EARTHQUAKE 6/30/1983 10:28:56 AM 10 KM ENE OF CANYON FERRY 46.72 -111.648 5.1 2.2 11 267 14.1 0.28 2.5 2.6 C MBMG
406 EARTHQUAKE 6/30/1983 1:03:06 AM HEBGEN LAKE REGION 44.964 -111.473 1.8 2 2.2 9 329 102.2 0.36 5.9 6.4 D MBMG
405 EARTHQUAKE 6/29/1983 11:55:02 PM HEBGEN LAKE REGION 44.918 -111.493 4.7 2.2 2.5 8 334 106.5 0.32 6.5 7 D MBMG
404 EARTHQUAKE 6/29/1983 11:35:11 PM S GRAVELLY RANGE 44.928 -111.518 1.1 2.7 3.3 9 334 104.9 0.2 4.9 4.4 D MBMG
403 EARTHQUAKE 6/29/1983 4:48:55 AM NEAR OVANDO 47.028 -113.054 8 2 1.8 1.4 11 205 71.1 0.4 2.7 3 D MBMG
402 EARTHQUAKE 6/28/1983 12:34:47 PM 10 KM NW OF WHITEHALL 45.987 -112.204 4.3 2.2 2 1.9 9 104 26.5 0.22 1.4 2.4 C MBMG
401 EARTHQUAKE 6/26/1983 5:25:40 AM 10 KM NE OF CANYON FERRY 46.73 -111.632 13.1 2.2 2.6 1.9 10 277 33.1 0.34 2.8 1.9 D MBMG
400 EARTHQUAKE 6/24/1983 12:26:25 AM NEAR WALLACE, ID 47.507 -115.976 10 3 3.1 2.8 14 110 89.2 0.57 2.6 4.8 D MBMG
399 EARTHQUAKE 6/20/1983 7:04:30 AM NEAR HELENA 46.59 -112.02 7.5 1.6 1.3 1.8 11 221 2 0.32 2 2.4 D MBMG
398 EARTHQUAKE 6/11/1983 6:15:43 AM 15 KM WSW OF OVANDO 46.896 -113.194 6.9 1.8 1.7 7 305 91 0.19 2.3 2.4 C MBMG
397 EARTHQUAKE 6/6/1983 12:28:56 AM HEBGEN LAKE REGION 44.952 -110.988 2.1 2.2 2.8 2.7 8 334 149.9 0.46 99.9 99.9 D MBMG
396 EARTHQUAKE 6/3/1983 6:31:19 AM 15 KM WSW OF OVANDO 46.909 -113.25 10.1 2 2 1.9 12 210 53.4 0.52 3.1 5 D MBMG
395 EARTHQUAKE 5/30/1983 10:33:55 PM NEAR HELENA 46.638 -112.046 8.7 1.9 1.5 1.5 8 308 5.1 0.2 1.6 1.3 C MBMG
394 EARTHQUAKE 5/29/1983 7:34:00 AM HEBGEN LAKE REGION 44.604 -111.205 22.1 1.8 8 186 34.3 0.3 3 3.5 D MBMG
393 EARTHQUAKE 5/27/1983 11:31:47 AM S GRAVELLY RANGE 44.779 -111.94 16.9 1.9 2 2 8 200 37.9 0.41 6.4 4.6 D MBMG
392 EARTHQUAKE 5/25/1983 2:14:52 PM 15 KM WSW OF HELMVILLE 46.821 -113.145 11 2.8 3.2 2.7 11 196 60.8 0.81 6.3 8.9 D MBMG
391 EARTHQUAKE 5/25/1983 5:00:19 AM HEBGEN LAKE REGION 44.615 -111.159 23 1.8 8 190 38.1 0.2 1.9 2.3 C MBMG
390 EARTHQUAKE 5/24/1983 6:41:42 PM HEBGEN LAKE REGION 44.638 -111.138 14.1 1.8 8 193 40.4 0.29 3.2 3.9 D MBMG
389 EARTHQUAKE 5/24/1983 7:42:23 AM HEBGEN LAKE REGION 44.661 -111.096 18.1 1.6 7 197 44.5 0.28 2.1 99.9 D MBMG
388 EARTHQUAKE 5/23/1983 12:05:52 AM S GRAVELLY RANGE 44.737 -111.744 10.9 2 2.3 2.3 8 178 25.5 0.47 28.7 8.8 D MBMG
387 EARTHQUAKE 5/22/1983 4:26:42 PM S GRAVELLY RANGE 44.882 -111.53 10 2.3 3.1 2.9 6 340 109.6 0.13 39.7 82.6 D MBMG
386 EARTHQUAKE 5/22/1983 4:23:19 PM S GRAVELLY RANGE 44.856 -111.512 14.8 2.3 3.2 2.9 13 172 37.9 0.48 2.4 3.4 C MBMG
385 EARTHQUAKE 5/22/1983 3:18:35 AM 35 KM WNW OF AUGUSTA 47.564 -112.812 20.2 1.9 1.9 6 306 118.3 0.43 7.5 8.9 D MBMG
384 EARTHQUAKE 5/21/1983 11:16:10 PM 45 KM WNW OF MISSOULA 46.933 -114.519 8.2 2.5 1.9 7 337 45.6 0.31 10.6 5.6 D MBMG
383 EARTHQUAKE 5/21/1983 3:05:59 AM S GRAVELLY RANGE 44.784 -111.55 17.9 1.7 6 204 29.5 0.37 30.7 56.1 D MBMG
382 EARTHQUAKE 5/19/1983 4:08:16 AM 20 KM SW OF THREE FORKS 45.692 -111.622 1 1.4 6 334 25.7 0.58 26.4 29.7 D MBMG
381 EARTHQUAKE 5/19/1983 2:39:16 AM 20 KM SSW OF THREE FORKS 45.673 -111.618 2.3 1.5 6 332 27.3 0.43 16.9 13.2 D MBMG
380 EARTHQUAKE 5/18/1983 11:51:18 AM 20 KM S OF THREE FORKS 45.724 -111.577 0.8 1.3 7 262 13.7 0.26 13.5 13.5 D MBMG
379 EARTHQUAKE 5/16/1983 11:47:08 PM HEBGEN LAKE REGION 44.697 -111.348 30 1.7 8 178 29 0.17 4.5 3.7 C MBMG
378 EARTHQUAKE 5/16/1983 5:48:42 PM HEBGEN LAKE REGION 44.968 -111.17 10 1.6 6 343 111.4 0.27 99.9 99.9 D MBMG
377 EARTHQUAKE 5/16/1983 2:52:22 AM NEAR HELENA 46.531 -111.969 8.9 1.6 1.5 10 215 9 0.27 1.8 1.6 C MBMG
376 EARTHQUAKE 5/13/1983 2:52:14 AM 10 KM W OF AVON 46.458 -112.633 26.1 1.5 1.4 9 288 47.2 0.31 4.4 13 D MBMG
375 EARTHQUAKE 5/12/1983 10:12:35 PM 25 KM SW OF LIMA 44.514 -112.842 2.9 1.9 2.1 2.3 9 334 148.5 0.47 37.8 53 D MBMG
374 EARTHQUAKE 5/12/1983 7:09:12 PM CLARK CANYON RESERVOIR AREA 45.062 -113.133 10 1.5 6 325 100 0.5 99.9 99.9 D MBMG
373 EARTHQUAKE 5/11/1983 11:01:41 PM S GRAVELLY RANGE 45.025 -111.957 14.7 5 315 69.4 0.18 99.9 99.9 D MBMG
372 EARTHQUAKE 5/10/1983 2:41:57 AM HEBGEN LAKE REGION 44.708 -111.258 16.5 1.9 10 181 35.4 0.5 4.7 4.8 D MBMG
371 EARTHQUAKE 5/9/1983 10:54:12 AM 10 KM NW OF MANHATTAN 45.914 -111.448 13.7 1.4 6 284 37.1 0.52 22 30 D MBMG
370 EARTHQUAKE 5/8/1983 6:56:06 PM 20 KM ENE OF DEER LODGE 46.456 -112.496 13.2 1.4 1.6 1.5 10 284 40.9 0.26 2.3 2.4 C MBMG
369 EARTHQUAKE 5/6/1983 1:41:50 PM 20 KM SE OF WHITEHALL 45.765 -111.965 8.1 0.6 6 155 10.5 0.19 4.2 9.7 C MBMG
368 EARTHQUAKE 5/6/1983 1:17:50 AM 20 KM NE OF WHITEHALL 45.851 -111.976 10.1 0.9 8 149 7.7 0.31 2.5 2.9 C MBMG
367 EARTHQUAKE 5/5/1983 6:45:43 AM 20 KM WNW OF HELENA 46.652 -112.308 8.1 1.8 8 281 21.1 0.19 2 2 C MBMG
366 EARTHQUAKE 5/4/1983 6:36:09 AM 20 KM NE OF WHITEHALL 46.069 -111.918 6.8 1.1 5 242 35.4 0.07 1.1 99.9 D MBMG
365 EARTHQUAKE 5/4/1983 6:18:48 AM HEBGEN LAKE REGION 44.837 -111.456 7.3 2 10 168 37.2 0.53 4.7 4.3 D MBMG
364 EARTHQUAKE 5/3/1983 7:39:40 PM CLARKSTON VALLEY 45.884 -111.417 0.5 1.2 6 304 35.2 0.31 4.6 5.5 D MBMG
363 EARTHQUAKE 5/3/1983 10:24:24 AM 20 KM NW OF ENNIS 45.486 -111.674 4.2 1.6 5 290 13.9 0.56 22.3 23.9 D MBMG
362 EARTHQUAKE 5/2/1983 1:45:16 AM HEBGEN LAKE REGION 45.027 -111.026 6.4 1.6 6 345 80.5 0.58 99.9 99.9 D MBMG
361 EARTHQUAKE 5/2/1983 1:14:53 AM NW YELLOWSTONE PARK 44.621 -110.771 2.4 2.1 2.7 9 346 129.2 0.55 11.6 7.8 D MBMG
360 EARTHQUAKE 5/2/1983 1:04:40 AM HEBGEN LAKE REGION 44.944 -111.13 2.3 1.8 9 342 83.9 0.42 9.6 9.2 D MBMG
359 EARTHQUAKE 5/2/1983 1:01:18 AM S SNOWCREST RANGE 44.879 -112.068 0.2 1.5 6 321 87.8 0.3 10.3 9.8 D MBMG
358 EARTHQUAKE 5/1/1983 11:50:04 PM HEBGEN LAKE REGION 44.967 -111.085 1.3 1.7 7 343 83.4 0.58 15.6 14.1 D MBMG
357 EARTHQUAKE 5/1/1983 11:18:35 PM HEBGEN LAKE REGION 45.104 -111.545 0.3 1.5 8 323 56.6 0.45 12.7 14.1 D MBMG
356 EARTHQUAKE 5/1/1983 11:13:40 PM HEBGEN LAKE REGION 45.081 -111.538 8.2 1.7 8 323 59.1 0.45 12.1 12.1 D MBMG
355 EARTHQUAKE 5/1/1983 3:33:50 AM CLARK CANYON RESERVOIR AREA 45.106 -112.953 7.1 1.5 1.6 9 299 88.7 0.46 4.5 3.8 D MBMG
354 EARTHQUAKE 4/30/1983 5:42:53 PM 25 KM NW OF ENNIS 45.593 -111.873 8.9 1.4 10 215 18.4 0.62 5.3 24.7 D MBMG
353 EARTHQUAKE 4/29/1983 9:55:40 AM 10 KM NW OF WHITEHALL 45.954 -112.224 5.8 1.6 9 152 19.7 0.27 1.2 1.4 C MBMG
352 EARTHQUAKE 4/29/1983 9:01:24 AM 25 KM NNW OF HELENA 46.813 -112.171 6 1.4 6 334 26.3 0.1 99.9 99.9 D MBMG
351 EARTHQUAKE 4/28/1983 11:49:28 PM 15 KM SE OF TWIN BRIDGES 45.421 -112.168 11.1 1.4 6 333 49.7 0.26 7.3 4.9 D MBMG
350 EARTHQUAKE 4/28/1983 9:42:47 AM CLARKSTON VALLEY 45.958 -111.475 1.6 1.4 6 324 34.1 0.07 2.6 3.1 D MBMG
349 EARTHQUAKE 4/27/1983 11:59:07 PM 25 KM NW OF ENNIS 45.593 -111.94 5.1 0.9 6 217 23.6 0.31 8.1 11.4 D MBMG
348 EARTHQUAKE 4/27/1983 7:32:40 AM 15 KM NW OF THREE FORKS 46.012 -111.426 7.2 1.7 10 283 40 0.34 2.9 3.6 D MBMG
347 EARTHQUAKE 4/27/1983 2:28:53 AM NEAR TWIN BRIDGES 45.56 -112.354 12.3 1.2 7 261 30.1 0.33 3.7 11.4 D MBMG
346 EARTHQUAKE 4/27/1983 2:12:20 AM 12 KM SW OF WHITEHALL 45.76 -112.149 6.2 0.8 6 173 24.4 0.34 0.8 2.1 C MBMG
345 EARTHQUAKE 4/26/1983 7:01:15 PM 25 KM ENE OF POLSON 47.755 -113.628 12.3 2.1 1.6 13 199 105.6 0.48 3.5 4.8 D MBMG
344 EARTHQUAKE 4/26/1983 4:59:27 PM HEBGEN LAKE REGION 45.076 -110.908 0.1 1.8 6 349 82.3 0.1 6.3 4.3 D MBMG
343 EARTHQUAKE 4/26/1983 1:46:16 PM HEBGEN LAKE REGION 45.024 -110.994 0.1 1.8 9 345 82.3 0.53 19.4 14.5 D MBMG
342 EARTHQUAKE 4/25/1983 1:56:46 PM 15 KM ESE OF WHITEHALL 45.8 -111.949 2.2 1 6 221 6.9 0.02 0.4 0.4 C MBMG
341 EARTHQUAKE 4/25/1983 1:50:17 PM HEBGEN LAKE AREA 44.907 -111.22 16.2 1.6 6 343 115.6 0.4 99.9 99.9 D MBMG
340 EARTHQUAKE 4/24/1983 8:55:20 PM NEAR MANHATTAN 45.893 -111.362 5.8 1.1 6 309 38.3 0.29 55.8 99.9 D MBMG
339 EARTHQUAKE 4/24/1983 3:45:45 PM 10 KM S OF WHITEHALL 45.804 -112.089 9.6 1.1 9 152 16.8 0.45 2.7 8 C MBMG
338 EARTHQUAKE 4/24/1983 3:45:22 PM 10 KM S OF WHITEHALL 45.794 -112.068 12 1.1 9 154 15.5 0.45 2.9 6.1 C MBMG
337 EARTHQUAKE 4/23/1983 3:13:16 PM S GRAVELLY RANGE 44.952 -111.068 4.4 1.9 2.4 10 342 85.5 0.31 10.7 10.1 D MBMG
336 EARTHQUAKE 4/23/1983 12:15:18 PM NEAR NORRIS 45.57 -111.72 4.3 1.1 6 240 7.7 0.59 11.1 13.1 D MBMG
335 EARTHQUAKE 4/23/1983 1:48:26 AM 10 KM NW OF LINCOLN 47.016 -112.762 13.6 1.4 6 336 103.5 0.31 99.9 99.9 D MBMG
334 EARTHQUAKE 4/22/1983 6:17:52 PM NEAR THREE FORKS 45.924 -111.515 5.8 1.4 8 269 29.8 0.46 9.3 20.2 D MBMG
333 EARTHQUAKE 4/22/1983 2:45:33 PM HEBGEN LAKE REGION 44.768 -111.389 8.8 2.8 3.5 23 92 32.8 0.52 1.7 2.3 D MBMG
332 EARTHQUAKE 4/19/1983 3:22:32 PM NEAR WHITEHALL 45.896 -111.826 14.4 0.9 6 255 7.6 0.29 8.2 3.2 D MBMG
331 EARTHQUAKE 4/19/1983 9:33:49 AM 20 KM NW OF NORRIS 45.69 -111.341 6.1 1.3 7 317 24.9 0.54 29.3 59.4 D MBMG
330 EARTHQUAKE 4/19/1983 7:26:26 AM S GRAVELLY RANGE 44.963 -111.214 2 2 2.2 9 339 79.1 0.6 14.2 14.2 D MBMG
329 EARTHQUAKE 4/19/1983 4:50:04 AM HEBGEN LAKE REGION 45.028 -111.061 4 1.9 9 344 78.8 0.46 11.6 10.3 D MBMG
328 EARTHQUAKE 4/19/1983 4:06:00 AM HEBGEN LAKE REGION 44.824 -110.994 12.1 2.8 3.5 26 108 29.8 0.62 1.8 2.4 D MBMG
327 EARTHQUAKE 4/18/1983 4:02:36 AM 15 KM N OF THREE FORKS 46.049 -111.544 1.3 1.4 5 274 49.6 0.25 24.1 46.5 D MBMG
326 EARTHQUAKE 4/18/1983 1:03:48 AM CLARK CANYON RESERVOIR AREA 44.858 -112.819 0.5 1.8 1.8 8 308 111 0.38 6.5 6.2 D MBMG
325 EARTHQUAKE 4/18/1983 12:31:54 AM NEAR THREE FORKS 46.068 -111.565 6.8 1.4 6 273 51.4 0.26 4 99.9 D MBMG
324 EARTHQUAKE 4/18/1983 12:27:37 AM NEAR THREE FORKS 46.083 -111.546 6.5 2.2 7 222 53.2 0.42 8.2 6 D MBMG
323 EARTHQUAKE 4/17/1983 8:20:12 PM 15 KM NE OF NORRIS 45.722 -111.59 3 1.8 5 252 13.2 0.3 35.3 69.8 D MBMG
322 EARTHQUAKE 4/16/1983 6:02:33 PM 30 KM NW OF DRUMMOND 46.872 -113.392 10.2 1.4 8 234 42.1 0.46 6.6 6.8 D MBMG
321 EARTHQUAKE 4/16/1983 6:54:39 AM 25 KM ESE OF MISSOULA 46.812 -113.711 8.2 1.6 1 9 211 17.6 0.54 7.5 5.4 D MBMG
320 EARTHQUAKE 4/15/1983 9:46:39 PM 15 KM ENE OF WHITEHALL 45.882 -111.987 4.9 1.3 7 171 9.8 0.17 18.8 38.8 D MBMG
319 EARTHQUAKE 4/15/1983 3:03:25 AM 15 KM W OF TWIN BRIDGES 45.581 -112.516 11.2 1.5 8 269 27.3 0.3 3.4 9 D MBMG
318 EARTHQUAKE 4/13/1983 12:23:00 PM 25 KM N OF HAMILTON 46.466 -114.241 1 2 1.3 8 272 46.4 0.23 5.9 5.6 D MBMG
317 EARTHQUAKE 4/13/1983 4:25:08 AM 25 KM SE OF DILLON 45.001 -112.573 12.9 1.7 2.1 6 339 91.7 0.23 99.9 99.9 D MBMG
316 EARTHQUAKE 4/12/1983 8:45:12 AM 35 KM SSW OF WEST YELLOWSTONE 44.416 -111.23 18 1.9 8 176 33.4 0.22 3.3 2.2 C MBMG
315 EARTHQUAKE 4/11/1983 7:56:07 PM 15 KM NW OF THREE FORKS 45.929 -111.474 2.4 1.2 7 327 33 0.08 1.5 1.3 C MBMG
314 EARTHQUAKE 4/11/1983 7:13:01 PM 20 KM SE OF THREE FORKS 45.742 -111.467 6.5 0.7 4 337 33.7 0.06 0 0 C MBMG
313 EARTHQUAKE 4/11/1983 7:06:11 PM 20 KM NNE OF WISDOM 45.798 -113.396 12.9 0.9 7 318 47.7 0.21 2.7 1.8 D MBMG
312 EARTHQUAKE 4/11/1983 6:54:41 AM 20 KM NNE OF OVANDO 47.194 -112.973 10 1.7 1.3 9 270 84.1 0.62 18.5 33.8 D MBMG
311 EARTHQUAKE 4/11/1983 3:52:59 AM 210 KM SW OF TOSTON 46.09 -111.525 8.6 4 313 39.2 0.06 0 0 C MBMG
310 EARTHQUAKE 4/10/1983 7:40:08 PM HEBGEN LAKE REGION 44.697 -111.29 15.5 2.1 2.4 15 182 32.6 0.63 3.5 3.7 D MBMG
309 EARTHQUAKE 4/8/1983 9:03:06 PM 30 KM NNE OF OVANDO 47.346 -112.857 0.4 1.9 1.5 9 269 100.3 0.68 24.2 21.9 D MBMG
308 EARTHQUAKE 4/8/1983 7:10:27 AM HEBGEN LAKE REGION 44.774 -110.962 14.5 2.7 3.3 22 135 31.4 0.51 2.1 2.4 D MBMG
307 EARTHQUAKE 4/6/1983 12:48:13 PM 30 KM WSW OF AUGUSTA 47.456 -112.762 9.8 1.8 1.5 9 297 110.4 0.56 10.9 21.2 D MBMG
306 EARTHQUAKE 4/5/1983 8:35:55 AM 20 KM SSE OF THREE FORKS 45.708 -111.493 6.5 1.4 5 337 33.2 0.49 99.9 99.9 D MBMG
305 EARTHQUAKE 4/5/1983 2:35:55 AM S GRAVELLY RANGE 44.814 -111.677 10 1.6 6 339 114.9 0.27 99.9 99.9 D MBMG
304 EARTHQUAKE 4/4/1983 11:36:20 PM NEAR VIRGINIA CITY 45.218 -111.918 12.3 1.7 6 326 69 0.11 2 1.3 C MBMG
303 EARTHQUAKE 4/3/1983 7:08:14 AM CLARK CANYON RESERVOIR AREA 45.006 -112.799 6.6 1.8 2.2 8 338 94.7 0.23 4.6 4 D MBMG
302 EARTHQUAKE 4/2/1983 2:05:43 PM CLARK CANYON RESERVOIR AREA 45.057 -112.839 6.3 1.6 8 299 90.2 0.4 5.8 8.3 D MBMG
301 EARTHQUAKE 4/1/1983 1:59:33 AM 15 KM NNW OF WHITEHALL 45.867 -112.295 2 0.9 6 152 13.1 0.36 0.8 20 C MBMG
300 EARTHQUAKE 4/1/1983 12:30:57 AM NEAR THREE FORKS 45.933 -111.567 17.8 6 289 26.4 0.32 5.6 2.6 D MBMG
299 EARTHQUAKE 3/31/1983 4:59:37 PM 15 KM NNW OF THREE FORKS 46.105 -111.613 6.6 1.2 7 273 36.1 0.63 6.8 99.9 D MBMG
298 EARTHQUAKE 3/31/1983 4:00:34 PM NEAR HELMVILLE 46.852 -112.962 6.8 2.4 2.4 15 204 74.7 0.52 2.1 2.8 D MBMG
297 EARTHQUAKE 3/31/1983 5:49:40 AM CLARKSTON VALLEY 45.972 -111.467 24.5 1.2 7 277 35.2 0.35 5.6 8.6 D MBMG
296 EARTHQUAKE 3/31/1983 2:31:38 AM HEBGEN LAKE REGION 45.066 -111.143 6.8 1.4 6 342 71.7 0.2 77.5 49.4 D MBMG
295 EARTHQUAKE 3/31/1983 12:19:51 AM 15 KM WNW OF WHITEHALL 45.837 -112.298 5.1 1.1 5 172 12 0.26 24.2 55.4 D MBMG
294 EARTHQUAKE 3/30/1983 2:55:46 PM 15 KM WNW OF WHITEHALL 45.863 -112.284 1.8 1.1 6 155 13.8 0.45 0.5 14.9 C MBMG
293 EARTHQUAKE 3/30/1983 7:31:33 AM 10 KM NW OF WHITEHALL 45.944 -112.151 6.6 1.5 9 164 24.3 0.36 1.8 99.9 C MBMG
292 EARTHQUAKE 3/30/1983 5:11:25 AM NEAR LIMA RESERVOIR 44.696 -112.398 0.5 2.3 2.5 11 328 117.7 0.65 9.3 9.1 D MBMG
291 EARTHQUAKE 3/29/1983 8:53:01 PM S GRAVELLY RANGE 44.738 -111.77 10 1.9 2.4 7 340 122.5 0.25 36.4 75.2 D MBMG
290 EARTHQUAKE 3/29/1983 12:35:19 PM NEAR LIMA RESERVOIR 44.632 -112.372 2 2 2.4 11 328 132.4 0.47 7.8 10.4 D MBMG
289 EARTHQUAKE 3/29/1983 1:36:59 AM ID-WA BORDER; FELT III 44.79 -116.881 5 18 0 0 0 0 0 NEIS 3.2
288 EARTHQUAKE 3/28/1983 6:30:42 PM 15 KM ESE OF TWIN BRIDGES 45.405 -112.261 5.1 1.1 6 277 48.7 0.5 6.3 11.4 D MBMG
287 EARTHQUAKE 3/28/1983 3:41:52 PM 35 KM N OF WISDOM 45.869 -113.516 16.3 2.2 1.9 14 242 50.4 0.33 1.9 1.7 D MBMG
286 EARTHQUAKE 3/28/1983 4:03:09 AM 35 KM N OF WISDOM 45.9 -113.493 16.9 1.8 1.4 12 239 47.2 0.25 1.9 1.4 C MBMG
285 EARTHQUAKE 3/28/1983 2:45:19 AM 30 KM N OF WISDOM 45.833 -113.491 10.9 0.9 8 324 50.9 0.17 2.4 1.9 C MBMG
284 EARTHQUAKE 3/28/1983 1:00:19 AM 30 KM N OF WISDOM 45.829 -113.481 5.3 1.3 1.4 4 324 50.5 0 0 0 C MBMG
283 EARTHQUAKE 3/27/1983 9:55:04 AM 25 KM E OF BOULDER 46.244 -111.781 8.1 1.2 9 281 32.5 0.29 1.7 29.2 D MBMG
282 EARTHQUAKE 3/27/1983 4:13:25 AM 30 KM N OF WISDOM 45.881 -113.464 14.8 0.9 6 324 46.3 0.29 7.9 5.1 D MBMG
281 EARTHQUAKE 3/26/1983 3:59:37 PM 15 KM ESE OF DEER LODGE 46.306 -112.555 11 0.9 5 276 27 0.02 0.4 1.9 C MBMG
280 EARTHQUAKE 3/24/1983 8:27:39 PM 30 KM WSW OF AUGUSTA 47.42 -112.749 15.9 2.5 2.3 16 196 106.4 0.63 3.2 5.5 D MBMG
279 EARTHQUAKE 3/24/1983 1:03:15 PM 30 KM W OF AUGUSTA 47.499 -112.751 7.4 2 1.8 11 280 114.2 0.58 11 21.2 D MBMG
278 EARTHQUAKE 3/24/1983 10:24:51 AM 30 KM WSW OF AUGUSTA 47.403 -112.743 5 2.7 2.7 14 273 104.5 0.4 5 7 D MBMG
277 EARTHQUAKE 3/24/1983 7:05:47 AM 10 KM NW OF WHITEHALL 45.97 -112.219 8.7 0.4 9 157 4.1 0.07 0.3 0.4 B MBMG
276 EARTHQUAKE 3/23/1983 1:41:29 AM FLATHEAD LAKE 48.011 -114.138 14.1 3 2.8 10 321 132.2 0.43 15.8 15.8 D MBMG
275 EARTHQUAKE 3/22/1983 10:31:12 AM 30 KM SW OF ANACONDA 45.875 -112.946 13.8 1.1 8 260 24.4 0.16 1.6 1.4 C MBMG
274 EARTHQUAKE 3/21/1983 6:52:34 PM FLATHEAD LAKE 47.938 -114.043 0 2.3 1.8 8 318 123.5 0.4 11.8 7.7 D MBMG
273 EARTHQUAKE 3/20/1983 3:15:11 PM 25 KM S OF MISSOULA 46.812 -114.422 1.3 2.2 1.4 11 321 36.8 0.61 6.8 5 D MBMG
272 EARTHQUAKE 3/19/1983 6:51:56 AM 30 KM SE OF WALLACE, ID 47.261 -115.587 19.2 2.7 2.5 9 343 134.1 0.36 15.5 4.1 D MBMG
271 EARTHQUAKE 3/19/1983 6:34:43 AM 25 KM SW OF CLARK CANYON DAM 44.912 -112.861 26.8 1.3 6 306 106.1 0.26 4.8 42.7 D MBMG
270 EARTHQUAKE 3/18/1983 7:47:43 AM 20 KM WSW OF AUGUSTA 47.422 -112.688 10 1.8 6 336 104.3 0.36 38.1 74.6 D MBMG
269 EARTHQUAKE 3/18/1983 1:55:16 AM 15 KM SE OF CANYON FERRY 46.575 -111.546 12.8 1.4 9 314 30.4 0.43 5.5 5 D MBMG
268 EARTHQUAKE 3/17/1983 5:51:58 PM 50 KM SW OF AUGUSTA 47.212 -112.934 0.7 1.8 10 329 96.5 0.85 36.2 35.2 D MBMG
267 EARTHQUAKE 3/17/1983 11:53:32 AM FLATHEAD LAKE 47.868 -114.107 1 2.3 2 10 318 116.2 0.21 9.3 6.5 D MBMG
266 EARTHQUAKE 3/17/1983 11:08:14 AM 25 KM SSW OF AUGUSTA 47.319 -112.741 2.5 1.9 1.6 10 268 96.5 0.41 12.1 17.9 D MBMG
265 EARTHQUAKE 3/17/1983 8:48:13 AM 45 KM SW OF AUGUSTA 47.238 -112.825 0.5 1.9 1.6 11 316 93.2 0.95 12.7 11.1 D MBMG
264 EARTHQUAKE 3/17/1983 7:25:59 AM 20 KM W OF AUGUSTA; FELT V 47.493 -112.677 23.7 3.8 3.8 9 280 111 0.19 3.4 2 D MBMG * 4.2
263 EARTHQUAKE 3/17/1983 1:56:29 AM 25 KM NE OF ENNIS 45.478 -111.411 3.8 2 2.1 10 338 22.9 0.43 4.4 2.5 D MBMG
262 EARTHQUAKE 3/16/1983 9:59:16 PM HEBGEN LAKE REGION 44.917 -111.441 8.1 1.8 7 333 78.4 0.44 18 15 D MBMG
261 EARTHQUAKE 3/16/1983 8:16:01 PM HEBGEN LAKE REGION 44.937 -111.512 5.2 1.7 6 331 75.3 0.4 28.3 35.5 D MBMG
260 EARTHQUAKE 3/16/1983 7:17:04 PM 15 KM SW OF PLAINS 47.302 -114.867 12.7 2.4 2 8 339 87.8 0.31 8.5 4.6 D MBMG
259 EARTHQUAKE 3/16/1983 3:17:59 PM HEBGEN LAKE AREA 45.003 -111.426 0.7 1.8 7 333 69.3 0.39 6.6 6.1 D MBMG
258 EARTHQUAKE 3/16/1983 11:39:43 AM CLARKSTON VALLEY 46.147 -111.345 7.1 1.4 6 295 61.1 0.4 5.3 99.9 D MBMG
257 EARTHQUAKE 3/16/1983 8:08:14 AM S GRAVELLY RANGE 44.668 -111.913 0.8 1.8 2.1 9 330 106.7 0.14 2.7 2.4 D MBMG
256 EARTHQUAKE 3/15/1983 4:40:12 AM 15 KM S OF WHITEHALL 45.758 -112.157 8.5 0.5 6 175 24 0.29 1.6 10.8 C MBMG
255 EARTHQUAKE 3/14/1983 8:02:21 AM 25 KM W OF MISSOULA 46.853 -114.409 1.1 2 1.1 11 327 35.9 0.58 7.7 5 D MBMG
254 EARTHQUAKE 3/14/1983 6:01:55 AM 20 KM SW OF THREE FORKS 45.733 -111.696 8.1 1.6 5 230 14.5 0.14 7.5 22.8 D MBMG
253 EARTHQUAKE 3/14/1983 1:37:30 AM NEAR THREE FORKS 45.872 -111.605 6.7 2.3 9 204 29.4 0.48 3.1 99.9 D MBMG
252 EARTHQUAKE 3/13/1983 6:28:10 AM 25 KM WSW OF MISSOULA 46.814 -114.302 0.5 2.1 1.1 11 319 27.6 0.62 10.5 9.3 D MBMG
251 EARTHQUAKE 3/13/1983 1:59:03 AM 25 KM NNW OF HELENA 46.855 -112.2 18.9 1.6 1.6 8 254 31.5 0.37 3.4 99.9 D MBMG
250 EARTHQUAKE 3/12/1983 10:28:23 AM 10 KM NW OF DRUMMOND 46.674 -113.258 6 2 1.9 10 167 54.9 0.52 2.1 5.2 D MBMG
249 EARTHQUAKE 3/11/1983 3:48:02 PM 50 KM WNW OF CHOTEAU 48.012 -112.799 7.3 2.5 2.5 9 305 157.2 0.42 5.8 7.9 D MBMG
248 EARTHQUAKE 3/11/1983 9:49:33 AM 30 KM SSW OF ANACONDA 45.807 -113.087 0.1 2.3 2.3 11 229 33.6 0.42 2.2 3 D MBMG
247 EARTHQUAKE 3/7/1983 11:37:32 AM NEAR HELENA 46.615 -112.049 4.7 1.5 1.5 13 222 2.5 0.31 1.9 1.9 D MBMG
246 EARTHQUAKE 3/6/1983 2:15:12 AM NEAR HELENA 46.587 -112.044 5.3 1.4 1.4 13 145 0.6 0.39 2.4 2.3 C MBMG
245 EARTHQUAKE 3/1/1983 2:09:22 PM STANLEY BASIN, ID 44.55 -115.09 5 6 0 0 0 0 0 NEIS 3.3
244 EARTHQUAKE 3/1/1983 2:00:43 AM STANLEY BASIN, ID 44.349 -115.244 5 13 0 0 0 0 0 NEIS 3.7
243 EARTHQUAKE 2/28/1983 7:24:21 AM 20 KM NW OF STANLEY, ID; FELT 44.347 -115.166 17.9 3.6 4.3 6 281 180.3 0.12 10 99.9 D MBMG * 3.7
242 EARTHQUAKE 2/26/1983 9:58:01 PM CLARKSTON VALLEY 45.869 -111.427 11.9 1.7 6 337 77.6 0.4 8.9 5.1 D MBMG
241 EARTHQUAKE 2/26/1983 12:34:22 AM 20 KM NW OF ENNIS 45.513 -111.943 6.5 1.4 6 337 52.5 0.54 99.9 99.9 D MBMG
240 EARTHQUAKE 2/25/1983 8:57:03 PM 20 KM SE OF BOULDER 46.121 -111.944 6 1 8 250 33.2 0.59 3.1 6 D MBMG
239 EARTHQUAKE 2/25/1983 5:30:10 PM 15 KM NE OF BELGRADE 45.819 -111.06 7.8 1.2 5 316 50.8 0.29 10.7 6.2 D MBMG
238 EARTHQUAKE 2/24/1983 10:29:19 PM 25 KM W OF HELMVILLE 46.821 -113.27 10.6 1.6 1.2 9 336 51.2 0.8 7.5 9.4 D MBMG
237 EARTHQUAKE 2/24/1983 6:49:20 PM 25 KM W OF HELMVILLE 46.841 -113.253 6.8 2.5 2.1 14 198 52.5 0.5 2.2 3.6 D MBMG
236 EARTHQUAKE 2/24/1983 3:52:00 AM 15 KM ENE OF ENNIS 45.384 -111.522 5.6 1.4 5 324 26.6 0.45 91.3 99.9 D MBMG
235 EARTHQUAKE 2/23/1983 6:00:22 AM CLARKSTON VALLEY 45.959 -111.555 0.3 1.2 6 266 39.5 0.59 17.5 20.7 D MBMG
234 EARTHQUAKE 2/23/1983 12:02:31 AM 30 KM ENE OF HELENA 46.706 -111.66 1.7 1.7 1.8 13 292 29.7 0.29 1.8 1.5 C MBMG
233 EARTHQUAKE 2/22/1983 8:22:03 PM 30 KM ENE OF HELENA 46.723 -111.646 4.5 1.6 12 295 31.8 0.43 3.3 2.3 D MBMG
232 EARTHQUAKE 2/22/1983 8:54:24 AM 30 KM N OF HELENA 46.873 -112.124 7 1.5 1.6 13 257 31.7 0.59 3.7 4 D MBMG
231 EARTHQUAKE 2/21/1983 2:04:44 AM 15 KM NW OF NORRIS 45.634 -111.838 5.8 1.3 6 193 15.8 0.49 56.9 99.9 D MBMG
230 EARTHQUAKE 2/20/1983 1:26:00 AM NEAR HELMVILLE 46.883 -113.041 1.7 1.4 1.1 8 245 68.8 0.4 4.5 5.7 D MBMG
229 EARTHQUAKE 2/19/1983 7:19:20 PM NEAR THREE FORKS 45.798 -111.607 6.8 1.4 6 247 21.2 0.19 4.9 99.9 D MBMG
228 EARTHQUAKE 2/18/1983 3:46:01 PM 25 KM WSW OF AUGUSTA 47.47 -112.725 14 2.4 13 337 110.4 0.6 4.8 6.7 D MBMG
227 EARTHQUAKE 2/18/1983 9:24:19 AM 20 KM WNW OF NORRIS 45.578 -111.441 17.4 1.3 5 334 15.7 0.1 6.7 1.3 D MBMG
226 EARTHQUAKE 2/17/1983 10:18:12 PM 15 KM SW OF THREE FORKS 45.789 -111.67 5.4 1.4 5 231 20.2 0.14 28.7 59.2 D MBMG
225 EARTHQUAKE 2/17/1983 10:31:19 AM 10 KM N OF PHILIPSBURG 46.415 -113.286 13.2 2 10 294 44 0.22 2.2 1.8 C MBMG
224 EARTHQUAKE 2/17/1983 8:51:34 AM 20 KM S OF VIRGINIA CITY 45.121 -111.666 24.9 1.5 7 319 54.2 0.36 9.7 27.3 D MBMG
223 EARTHQUAKE 2/16/1983 9:57:07 PM 20 KM NW OF THREE FORKS 46.062 -111.734 6.8 1.1 5 257 49.5 0.3 6 99.9 D MBMG
222 EARTHQUAKE 2/16/1983 8:26:46 PM NEAR THREE FORKS 45.828 -111.504 6.7 1.1 6 269 26.6 0.31 4.2 99.9 D MBMG
221 EARTHQUAKE 2/16/1983 4:35:39 PM NEAR THREE FORKS 45.808 -111.606 6.8 1.2 5 248 22.4 0.1 4.2 99.9 D MBMG
220 EARTHQUAKE 2/16/1983 11:06:30 AM NEAR THREE FORKS 45.803 -111.637 4.9 1.4 6 240 21.7 0.42 57.7 99.9 D MBMG
219 EARTHQUAKE 2/16/1983 8:26:15 AM NEAR THREE FORKS 45.863 -111.591 5.9 2.4 2.4 8 207 28.6 0.39 3.1 6.9 D MBMG
218 EARTHQUAKE 2/16/1983 8:18:34 AM NEAR THREE FORKS 45.788 -111.647 9.7 2.1 2.1 12 193 19.9 0.36 1.7 2.3 D MBMG
217 EARTHQUAKE 2/16/1983 7:14:09 AM NEAR THREE FORKS; FELT 45.85 -111.61 8.2 3.2 3.7 16 162 27 0.33 1.5 2.6 C MBMG * 3.7
216 EARTHQUAKE 2/16/1983 6:22:09 AM 10 KM S OF CUT BANK; FELT 48.6 -112.37 6.4 3.4 4 11 254 204.5 0.19 4.3 3 D MBMG * 3.5
215 EARTHQUAKE 2/13/1983 9:43:37 PM 15 KM NW OF ENNIS 45.417 -111.807 3.1 1.5 8 279 25.1 0.6 25.8 47.4 D MBMG
214 EARTHQUAKE 2/11/1983 2:36:25 AM 10 KM WNW OF TOWNSEND 46.386 -111.659 1.3 1.3 9 234 25.6 0.32 8.1 15.8 D MBMG
213 EARTHQUAKE 2/11/1983 1:47:35 AM 30 KM ESE OF TOWNSEND 46.187 -111.241 10.9 1.3 8 261 64.7 0.61 10.3 9.7 D MBMG
212 EARTHQUAKE 2/10/1983 6:32:38 PM 20 KM SE OF TOWNSEND 46.159 -111.341 5.2 1.6 10 232 60.5 0.57 6.5 11.5 D MBMG
211 EARTHQUAKE 2/10/1983 4:54:06 AM 20 KM S OF WHITEHALL 45.707 -112.068 6.2 1.1 6 185 32.4 0.45 9.2 5.4 D MBMG
210 EARTHQUAKE 2/8/1983 3:46:45 PM 10 KM WNW OF POLSON 47.741 -114.402 18.1 2 1.6 13 168 75.3 0.58 4.3 6.3 D MBMG
209 EARTHQUAKE 2/7/1983 12:02:40 PM 10 KM N OF TWIN BRIDGES 45.634 -112.487 12.3 1.7 5 315 21.1 0.12 3.2 6.9 D MBMG
208 EARTHQUAKE 2/6/1983 8:25:16 PM YELLOWSTONE PARK; FELT V 44.534 -110.61 0.3 3.8 4.7 15 207 20.3 0.24 1.7 1.8 C MBMG * 4.7 4.5
207 EARTHQUAKE 2/5/1983 4:01:56 AM 15 KM E OF BOULDER 46.265 -111.945 6.9 1.4 8 322 27.9 0.15 1.3 27.2 D MBMG
206 EARTHQUAKE 2/1/1983 1:14:10 PM 15 KM E OF BOULDER 46.22 -111.951 6.7 1.2 11 158 33 0.41 1.5 99.9 C MBMG
205 EARTHQUAKE 1/31/1983 2:10:59 PM 15 KM NNW OF WHITEHALL 46.015 -112.226 9.8 1.4 1.7 12 113 14.6 0.34 1.1 2.9 C MBMG
204 EARTHQUAKE 1/30/1983 10:29:20 PM S GRAVELLY RANGE 44.987 -111.813 0.8 1.8 2.2 11 313 70.4 0.59 7.7 7.5 D MBMG
203 EARTHQUAKE 1/30/1983 1:57:12 PM HEBGEN LAKE REGION 44.736 -110.899 17.6 2.6 3.1 23 139 31.7 0.51 2.6 2.2 D MBMG
202 EARTHQUAKE 1/30/1983 5:40:05 AM 30 KM WNW OF DILLON 45.293 -112.994 14.5 1.3 8 290 72.5 0.34 9.5 18.9 D MBMG
201 EARTHQUAKE 1/28/1983 7:04:07 PM 15 KM E OF POLSON 47.656 -113.954 22 2.1 1.4 18 183 91.9 0.56 4.2 5.5 D MBMG
200 EARTHQUAKE 1/28/1983 5:11:32 PM 20 KM E OF POLSON 47.655 -113.916 18.9 2.1 1.6 19 180 91.9 0.51 3.6 5.2 D MBMG
199 EARTHQUAKE 1/28/1983 4:46:40 PM 10 KM NNW OF NORRIS 45.66 -111.898 0.6 1.5 7 330 46.7 0.62 14.4 16.6 D MBMG
198 EARTHQUAKE 1/28/1983 5:51:03 AM 15 KM ESE OF BOULDER 46.167 -111.86 6.2 0.8 6 326 40.3 0.52 60.4 99.9 D MBMG
197 EARTHQUAKE 1/28/1983 2:18:35 AM 40 KM NNE OF BOZEMAN 46.004 -110.856 10 1.4 6 321 75 0.65 10.3 10.5 D MBMG
196 EARTHQUAKE 1/27/1983 11:45:22 PM 40 KM SW OF LIMA 44.417 -112.881 18 2 2.5 17 166 39.6 0.59 3.7 4.6 D MBMG
195 EARTHQUAKE 1/27/1983 7:45:25 PM CLARK CANYON RESERVOIR AREA 45.029 -113.088 29.3 1.3 7 305 101.2 0.4 15.3 84.9 D MBMG
194 EARTHQUAKE 1/26/1983 9:03:32 AM 50 KM NNE OF BOZEMAN 46.091 -110.711 1.4 1.6 11 285 89.9 0.5 5.2 7.6 D MBMG
193 EARTHQUAKE 1/26/1983 5:12:53 AM 25 KM S OF TOWNSEND 46.155 -111.504 6.7 1.2 7 285 61.7 0.49 5.9 99.9 D MBMG
192 EARTHQUAKE 1/23/1983 11:15:07 PM 20 KM SE OF HELENA 46.48 -111.877 1.2 1.2 10 161 6 0.5 3.2 9.1 C MBMG
191 EARTHQUAKE 1/23/1983 8:04:47 PM HEBGEN LAKE REGION 45.156 -110.919 8.2 2.4 2.5 9 324 140.8 0.5 67.9 99.9 D MBMG
190 EARTHQUAKE 1/22/1983 7:41:54 PM S GRAVELLY RANGE 44.772 -111.877 7.8 2.2 2.8 17 119 96.8 0.46 1.7 3.3 D MBMG
189 EARTHQUAKE 1/22/1983 5:09:26 PM 10 KM NNW OF CLARK CANYON DAM 45.151 -113.236 6 1.8 2.1 10 333 96.6 0.38 4.3 4.7 D MBMG
188 EARTHQUAKE 1/22/1983 12:43:35 AM 15 KM NNW OF CLARK CANYON DAM 45.137 -113.23 4.5 1.6 1.9 9 333 97.5 0.46 5.7 6.3 D MBMG
187 EARTHQUAKE 1/18/1983 8:30:13 PM 10 KM ENE OF BOULDER 46.239 -111.977 6.6 1.2 8 212 31 0.23 2.5 99.9 D MBMG
186 EARTHQUAKE 1/18/1983 2:40:48 AM 20 KM NW OF NORRIS 45.659 -111.826 0.5 1.6 8 331 52 0.59 8.5 9.8 D MBMG
185 EARTHQUAKE 1/17/1983 3:34:35 PM 20 KM WNW OF ANACONDA 46.154 -113.165 17.6 0.6 6 332 17.8 0.03 0.6 0.2 C MBMG
184 EARTHQUAKE 1/14/1983 10:31:32 AM 30 KM W OF CLARK CANYON DAM 45.015 -112.945 14.3 2.1 2.4 16 175 97.7 0.32 2.2 3.1 D MBMG
183 EARTHQUAKE 1/12/1983 5:48:02 AM 10 KM W OF THREE FORKS 45.898 -111.635 7.2 2.3 1.9 11 272 61.4 0.33 2.2 99.9 D MBMG
182 EARTHQUAKE 1/6/1983 1:41:37 PM CLARK CANYON RESERVOIR AREA 44.951 -112.755 9.5 1.7 2.1 11 339 99.7 0.28 4 4.8 D MBMG
181 EARTHQUAKE 1/5/1983 7:52:04 AM 20 KM E OF POLSON 47.653 -113.936 17.5 2 1.3 13 200 91.6 0.4 2.6 3.9 D MBMG
180 EARTHQUAKE 1/5/1983 7:25:21 AM CLARKSTON VALLEY 45.997 -111.384 2.4 1.6 7 280 71.6 0.41 8.9 13.4 D MBMG
179 EARTHQUAKE 1/4/1983 12:53:47 PM CLARKSTON VALLEY 46.058 -111.395 1.6 1.5 1.8 9 277 65.7 0.56 8.1 13.8 D MBMG
178 EARTHQUAKE 1/4/1983 11:15:45 AM CLARKSTON VALLEY 46.067 -111.411 2.8 1.7 10 276 64.2 0.68 11.6 23.5 D MBMG
177 EARTHQUAKE 1/3/1983 3:50:24 PM 10 KM NE OF BOULDER 46.303 -112.017 2.2 1.4 11 195 24.6 0.38 2.8 2.6 D MBMG
176 EARTHQUAKE 1/2/1983 6:01:31 PM 10 KM NE OF BOULDER 46.291 -111.99 1.2 1.3 9 200 25.4 0.33 3.5 4.6 D MBMG
175 EARTHQUAKE 1/2/1983 5:10:30 AM HEBGEN LAKE REGION 44.715 -111.069 7.1 2 2.4 13 215 48.8 0.6 3.1 4.3 D MBMG
174 EARTHQUAKE 1/2/1983 3:45:12 AM 15 KM SW OF WHITEHALL 45.825 -112.231 0.2 1.7 1.7 10 252 17.1 0.54 4.4 5.6 D MBMG
173 EARTHQUAKE 1/2/1983 3:17:08 AM 10 KM SSW OF DRUMMOND 46.569 -113.181 6.9 2.3 1.9 15 145 55.7 0.35 1.2 99.9 D MBMG
172 EARTHQUAKE 1/1/1983 9:20:37 AM 10 KM N OF OVANDO 47.091 -113.122 12 1.6 1.3 10 228 68.7 0.44 22.2 42 D MBMG
171 EARTHQUAKE 1/1/1983 6:07:58 AM 30 KM SSW OF AUGUSTA 47.231 -112.466 6.9 2.6 2.6 17 188 75.3 0.45 3.6 4.7 D MBMG

End of report. 694 records listed. Retrieved 5/7/2024 12:47:13 PM.

The preceding materials represent the contents of the databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user at the time and date of the retrieval. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. There may be data in the request area that are not recorded at the Bureau.