U.S. DEPARTMENT OF THE INTERIOR NO. 9-02-EXP GEOLOGICAL SURVEY OCT 11, 2002 ROUTINE MINING SEISMICITY IN THE UNITED STATES SEPTEMBER 2002 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG mb MS USED 01 20 21 35.7 40.547 N 112.159 W 0 G 0.4 54 15 UTAH. ML 1.8 (GS). 10 miles (15 km) E of Tooele. 01 20 44 49.5 40.825 N 116.336 W 0 G 0.8 95 11 NEVADA. ML 2.0 (GS). 30 miles (50 km) W of Elko. 02 16 10 26.9 40.552 N 112.186 W 0 G 0.9 42 16 UTAH. ML 1.7 (GS). 5 miles (10 km) E of Tooele. 02 20 05 01.5 43.683 N 105.294 W 0 G 0.8 118 32 WYOMING. ML 3.3 (GS). 45 miles (70 km) SSE of Gillette. 02 20 55 23.5 40.554 N 112.203 W 0 G 0.4 69 11 UTAH. ML 1.5 (GS). 5 miles (10 km) ENE of Tooele. 03 14 49 38.7 41.721 N 110.694 W 0 G 0.4 137 12 WYOMING. ML 1.5 (GS). 35 miles (55 km) NNE of Evanston. 03 16 10 01.1 40.538 N 112.178 W 0 G 0.4 55 16 UTAH. ML 1.7 (GS). 5 miles (10 km) E of Tooele. 03 19 28 14.3 41.118 N 112.865 W 0 G 0.6 76 14 UTAH. ML 1.9 (GS). 50 miles (75 km) W of Ogden. 03 21 11 15.6 33.036 N 109.395 W 0 G 0.3 175 8 ARIZONA. ML 2.0 (GS). 5 miles (10 km) W of Clifton. 03 21 14 36.3 41.111 N 112.863 W 0 G 0.4 106 10 UTAH. ML 1.7 (GS). 50 miles (75 km) W of Ogden. 04 17 39 00.9 41.755 N 110.699 W 0 G 1.1 137 20 WYOMING. ML 2.2 (GS). 35 miles (60 km) NNE of Evanston. 04 19 23 43.3 41.132 N 112.884 W 0 G 0.7 77 11 UTAH. ML 1.8 (GS). 15 miles (75 km) W of Ogden. 04 20 17 43.7 44.058 N 105.408 W 0 G 0.4 143 19 WYOMING. ML 3.7 (GS). 15 miles (25 km) SSE of Gillette. 04 20 18 18.7 35.430 N 107.578 W 0 G 1.0 82 10 NEW MEXICO. ML 2.4 (GS). 25 miles (40 km) NE of Grants. 04 20 39 10.9 40.538 N 112.190 W 0 G 0.4 54 13 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele. 05 16 27 51.5 40.534 N 112.192 W 0 G 0.7 55 15 UTAH. ML 1.7 (GS). 5 miles (10 km) E of Tooele. 05 18 01 25.3 43.896 N 105.303 W 0 G 1.1 137 18 WYOMING. ML 3.3 (GS). 30 miles (45 km) SSE of Gillette. 05 19 43 05.7 40.534 N 112.214 W 0 G 0.8 64 16 UTAH. ML 1.9 (GS). Near Tooele. 05 20 17 55.1* 32.925 N 109.445 W 0 G 0.5 180 5 ARIZONA. ML 2.1 (GS). 10 miles (20 km) SW of Clifton. 05 22 21 36.2 40.906 N 117.194 W 0 G 1.2 102 8 NEVADA. ML 2.4 (GS). 25 miles (40 km) NW of Battle Mountain. 07 18 02 52.7 43.462 N 105.289 W 0 G 0.5 152 11 WYOMING. ML 2.7 (GS). 50 miles (80 km) N of Douglas. 07 18 42 35.4* 43.503 N 105.190 W 0 G 0.7 216 5 WYOMING. ML 2.4 (GS). 50 miles (80 km) NNE of Douglas. 07 19 08 22.2 43.741 N 105.341 W 0 G 0.4 131 19 WYOMING. ML 3.1 (GS). 40 miles (60 km) SSE of Gillette. 07 21 51 33.8 46.775 N 122.742 W 0 G 0.4 127 13 WASHINGTON. ML 2.6 (GS). 10 miles (15 km) ENE of Centralia. 08 16 09 38.6 40.524 N 112.177 W 0 G 0.4 64 13 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele. 08 16 20 38.3 43.922 N 105.304 W 0 G 0.6 179 7 WYOMING. ML 2.2 (GS). 25 miles (45 km) SSE of Gillette. 08 18 00 19.3 43.714 N 105.321 W 0 G 0.9 120 22 WYOMING. ML 2.9 (GS). 40 miles (65 km) SSE of Gillette. 09 17 35 04.0 40.531 N 112.180 W 0 G 0.4 55 13 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele. 09 18 00 57.3 43.496 N 105.120 W 0 G 0.7 131 15 WYOMING. ML 2.9 (GS). 50 miles (85 km) WSW of Newcastle. 09 18 34 27.2 41.119 N 112.874 W 0 G 0.4 76 14 UTAH. ML 1.8 (GS). 45 miles (75 km) W of Ogden. 10 17 14 33.2 37.062 N 108.183 W 0 G 1.3 127 8 COLORADO. ML 2.3 (GS). 20 miles (35 km) SW of Durango. 10 18 13 54.1* 41.145 N 112.868 W 0 * 0.3 84 6 UTAH. ML 1.8 (GS). 45 miles (75 km) W of Ogden. 10 21 07 22.7 46.756 N 122.779 W 0 G 0.7 158 10 WASHINGTON. ML 2.1 (GS). 10 miles (15 km) ENE of Centralia. 11 18 11 40.4 43.788 N 105.324 W 0 G 0.6 125 16 WYOMING. ML 3.0 (GS). 35 miles (60 km) SSE of Gillette. 11 19 35 18.4 43.552 N 105.218 W 0 G 0.7 144 11 WYOMING. ML 2.7 (GS). 55 miles (85 km) SSE of Gillette. 11 21 31 23.5 46.753 N 122.749 W 0 G 0.5 61 15 WASHINGTON. ML 2.6 (GS). 10 miles (15 km) E of Centralia. 11 22 15 48.8 40.270 N 107.781 W 0 G 0.8 172 13 COLORADO. ML 2.4 (GS). 20 miles (30 km) NNE of Meeker. 11 23 08 34.6 42.795 N 111.330 W 0 G 0.9 80 12 SOUTHERN IDAHO. ML 1.4 (GS). 20 miles (35 km) WNW of Afton. 12 00 11 28.6* 32.699 N 109.222 W 0 G 1.3 198 5 ARIZONA. ML 2.4 (GS). 25 miles (40 km) S of Clifton. 12 16 38 53.8 40.542 N 112.201 W 0 G 0.6 67 11 UTAH. ML 1.3 (GS). Near Tooele. 12 16 44 30.4 41.716 N 110.729 W 0 G 0.9 136 19 WYOMING. ML 1.9 (GS). 35 miles (55 km) NNE of Evanston. 12 17 10 11.6 46.765 N 122.774 W 0 G 0.5 130 9 WASHINGTON. 10 miles (15 km) ENE of Centralia. 12 21 24 23.2* 33.009 N 109.378 W 0 G 0.6 177 6 ARIZONA. ML 1.9 (GS). 5 miles (10 km) WSW of Clifton. 12 21 59 08.7 40.696 N 109.484 W 0 G 0.6 170 11 UTAH. 15 miles (25 km) N of Vernal. 12 22 23 16.6 41.855 N 108.986 W 0 G 0.4 192 15 WYOMING. 20 miles (35 km) NNE of Rock Springs. 13 00 15 02.5 39.604 N 111.241 W 0 G 0.5 115 13 UTAH. ML 1.6 (GS). 25 miles (40 km) W of Price. 13 16 13 52.8 40.528 N 112.160 W 0 G 0.7 74 10 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele. 13 18 50 01.9 41.783 N 110.799 W 0 G 0.6 143 15 WYOMING. ML 1.9 (GS). 35 miles (60 km) NNE of Evanston. 13 19 15 43.0 40.538 N 112.181 W 0 G 0.4 72 9 UTAH. ML 1.1 (GS). 5 miles (10 km) E of Tooele. 13 20 07 38.9 44.090 N 105.282 W 0 G 0.5 242 15 WYOMING. ML 3.0 (GS). 20 miles (30 km) SE of Gillette. 13 20 58 35.5* 46.763 N 122.810 W 0 G 0.7 94 5 WASHINGTON. 10 miles (10 km) ENE of Centralia. 14 18 02 12.8 43.625 N 105.266 W 0 G 0.5 167 17 WYOMING. ML 3.2 (GS). 45 miles (75 km) SSE of Gillette. 14 18 07 41.5 40.528 N 112.161 W 0 G 0.4 120 7 UTAH. ML 1.4 (GS). 5 miles (10 km) E of Tooele. 14 20 54 49.0 40.947 N 116.359 W 0 G 0.2 156 6 NEVADA. ML 2.0 (GS). 30 miles (50 km) WNW of Elko. 15 18 46 27.9 40.529 N 112.169 W 0 G 0.5 65 11 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele. 15 19 20 48.3 40.529 N 112.168 W 0 G 0.6 65 10 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele. 16 21 14 25.1 46.715 N 122.751 W 0 G 0.3 90 6 WASHINGTON. 10 miles (15 km) E of Centralia. 16 22 06 57.7 40.330 N 107.861 W 0 G 0.7 108 19 COLORADO. ML 2.6 (GS). 20 miles (30 km) N of Meeker. 17 16 28 15.1 40.549 N 112.156 W 0 G 0.6 54 15 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele. 17 18 49 14.8 41.718 N 110.672 W 0 G 0.7 191 9 WYOMING. ML 1.7 (GS). 35 miles (55 km) NNE of Evanston. 17 19 53 02.5 40.528 N 112.194 W 0 G 0.6 96 12 UTAH. ML 2.1 (GS). 5 miles (10 km) E of Tooele. 18 16 03 49.9 40.522 N 112.174 W 0 G 0.2 102 8 UTAH. ML 1.0 (GS). 5 miles (10 km) E of Tooele. 18 17 04 08.0 41.736 N 110.708 W 0 G 0.8 146 16 WYOMING. ML 2.0 (GS). 35 miles (55 km) NNE of Evanston. 18 20 32 43.2 40.520 N 112.192 W 0 G 0.5 72 9 UTAH. ML 1.4 (GS). 5 miles (10 km) E of Tooele. 18 20 56 47.7 43.692 N 105.272 W 0 G 0.8 118 19 WYOMING. ML 3.2 (GS). 45 miles (70 km) SSE of Gillette. 18 20 59 52.0* 33.036 N 109.228 W 0 G 0.1 179 5 ARIZONA. ML 1.8 (GS). Near Clifton. 18 21 06 01.5 40.973 N 116.333 W 0 G 1.3 99 12 NEVADA. ML 2.4 (GS). 30 miles (50 km) WNW of Elko. 18 21 18 14.4 45.056 N 106.886 W 0 G 0.9 175 26 EASTERN MONTANA. ML 3.2 (GS). 20 miles (30 km) N of Sheridan. 18 21 38 57.2 46.749 N 122.782 W 0 G 1.4 129 9 WASHINGTON. ML 2.3 (GS). 10 miles (15 km) ENE of Centralia. 18 22 11 11.0* 32.523 N 109.047 W 0 G 1.0 211 6 NEW MEXICO. ML 1.8 (GS). 25 miles (35 km) WNW of Lordsburg. 19 18 09 25.2 43.673 N 105.276 W 0 G 0.8 118 22 WYOMING. ML 3.4 (GS). 45 miles (70 km) SSE of Gillette. 19 19 10 15.3 43.503 N 105.186 W 0 G 1.2 129 13 WYOMING. ML 2.5 (GS). 50 miles (85 km) N of Douglas. 19 19 18 12.0 40.536 N 112.167 W 0 G 0.3 62 10 UTAH. ML 1.3 (GS). 5 miles (10 km) ENE of Tooele. 20 17 19 49.0 41.845 N 108.593 W 0 G 0.6 165 16 WYOMING. ML 2.5 (GS). 35 miles (60 km) ENE of Rock Springs. 20 17 42 36.1 36.431 N 110.281 W 0 G 0.6 58 16 ARIZONA. ML 3.2 (GS). 20 miles (35 km) S of Kayenta. 20 21 24 04.9 46.707 N 122.763 W 0 G 0.6 112 14 WASHINGTON. ML 2.5 (GS). 10 miles (15 km) E of Centralia. 21 17 38 50.7 41.802 N 108.670 W 0 G 0.7 143 13 WYOMING. ML 2.2 (GS). 30 miles (50 km) ENE of Rock Springs. 21 18 07 49.0 40.544 N 112.168 W 0 G 0.7 79 13 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele. 22 18 02 42.1 43.665 N 105.260 W 0 G 0.9 116 27 WYOMING. ML 3.4 (GS). 45 miles (70 km) SSE of Gillette. 22 19 22 01.9 40.542 N 112.183 W 0 G 0.6 62 13 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele. 23 20 05 14.8 40.531 N 112.168 W 0 G 0.6 73 11 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele. 23 22 06 46.5 46.718 N 122.763 W 0 G 0.4 62 12 WASHINGTON. ML 1.8 (GS). 10 miles (15 km) E of Centralia. 24 19 49 50.6 40.569 N 112.270 W 0 G 1.4 50 14 UTAH. ML 1.7 (GS). Near Tooele. 24 20 13 31.7 41.139 N 112.866 W 0 G 0.2 115 5 UTAH. ML 1.1 (GS). 50 miles (75 km) W of Ogden. 24 20 23 29.1 44.199 N 105.354 W 0 G 0.7 164 10 WYOMING. ML 3.1 (GS). 10 miles (15 km) SE of Gillette. 24 21 09 51.1 40.984 N 116.358 W 0 G 0.7 100 10 NEVADA. ML 2.4 (GS). 30 miles (50 km) WNW of Elko. 24 21 30 42.1 36.468 N 108.565 W 0 G 1.0 98 9 NEW MEXICO. ML 1.8 (GS). 25 miles (40 km) SW of Farmington. 24 21 47 13.3 46.728 N 122.766 W 0 G 0.6 62 14 WASHINGTON. ML 2.8 (GS). 10 miles (15 km) E of Centralia. 25 16 00 40.1 41.832 N 110.703 W 0 G 0.8 137 15 WYOMING. ML 1.7 (GS). 40 miles (65 km) NNE of Evanston. 25 20 11 31.6 40.525 N 112.258 W 0 G 1.0 110 5 UTAH. ML 1.2 (GS). Near Tooele. 25 20 15 35.5 41.745 N 108.667 W 0 G 0.9 161 14 WYOMING. ML 2.5 (GS). 30 miles (50 km) ENE of Rock Springs. 25 21 49 49.8 46.761 N 122.797 W 0 G 0.6 65 12 WASHINGTON. ML 2.1 (GS). 10 miles (15 km) ENE of Centralia. 26 17 04 30.5 41.770 N 110.773 W 0 G 0.7 135 11 WYOMING. ML 1.7 (GS). 35 miles (60 km) NNE of Evanston. 26 18 06 17.0 40.289 N 107.769 W 0 G 0.4 134 9 COLORADO. ML 1.7 (GS). 20 miles (30 km) NNE of Meeker. 26 19 08 23.1 40.529 N 112.160 W 0 G 0.3 64 11 UTAH. ML 1.4 (GS). 5 miles (10 km) E of Tooele. 26 21 32 46.1 46.726 N 122.736 W 0 G 0.8 107 10 WASHINGTON. ML 2.3 (GS). 10 miles (15 km) E of Centralia. 26 23 57 47.8 41.870 N 108.985 W 0 G 0.9 107 14 WYOMING. ML 2.1 (GS). 25 miles (35 km) NNE of Rock Springs. 27 17 14 13.1 40.549 N 112.178 W 0 G 0.4 105 8 UTAH. ML 1.2 (GS). 5 miles (10 km) E of Tooele. 27 19 47 10.7 41.781 N 110.733 W 0 G 0.6 196 11 WYOMING. ML 1.5 (GS). 35 miles (60 km) NNE of Evanston. 27 21 22 59.1 46.720 N 122.760 W 0 G 0.5 62 11 WASHINGTON. ML 2.2 (GS). 10 miles (15 km) E of Centralia. 28 15 58 52.1 40.541 N 112.181 W 0 G 0.6 55 14 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele. 28 20 06 51.5* 43.934 N 105.303 W 0 G 1.0 170 4 WYOMING. ML 1.9 (GS). 25 miles (45 km) SSE of Gillette. 28 20 22 15.6 40.529 N 112.184 W 0 G 0.5 55 14 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele. 28 20 56 00.7 40.950 N 116.370 W 0 G 0.8 156 7 NEVADA. ML 2.0 (GS). 30 miles (55 km) WNW of Elko. 28 21 33 55.3 46.732 N 122.720 W 0 G 0.7 129 9 WASHINGTON. ML 2.0 (GS). 10 miles (20 km) E of Centralia. 28 22 10 38.5 40.254 N 107.848 W 0 G 1.4 147 13 COLORADO. ML 2.6 (GS). 15 miles (25 km) NNE of Meeker. 29 22 08 07.0 40.385 N 107.823 W 0 G 0.7 109 9 COLORADO. ML 2.6 (GS). 15 miles (25 km) SW of Craig. 30 17 11 57.1 41.781 N 108.748 W 0 G 1.2 85 14 WYOMING. ML 2.3 (GS). 25 miles (45 km) ENE of Rock Springs. 30 19 00 09.0 40.546 N 112.241 W 0 G 0.6 110 9 UTAH. ML 1.6 (GS). Near Tooele. 30 23 50 06.8 40.553 N 112.189 W 0 G 0.7 64 12 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele.