Bulletin: August 2002
U.S. DEPARTMENT OF THE INTERIOR NO. 8-02-EXP
GEOLOGICAL SURVEY OCT 3, 2002
ROUTINE MINING SEISMICITY IN THE UNITED STATES
AUGUST 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 19 05 02.7 41.775 N 110.694 W 0 G 0.7 107 13 WYOMING. ML 1.6 (GS). 40 miles (60 km) NNE of Evanston.
01 19 58 15.0* 33.043 N 109.351 W 0 G 0.4 188 6 ARIZONA. ML 3.1 (GS). Near Clifton.
01 20 01 41.8 43.742 N 105.313 W 0 G 0.8 122 24 WYOMING. ML 3.3 (GS). 40 miles (65 km) SSE of Gillette.
02 17 12 14.0 40.539 N 112.195 W 0 G 0.5 71 13 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele.
02 19 14 35.4 40.556 N 112.178 W 0 G 1.0 71 14 UTAH. ML 1.8 (GS). 5 miles (10 km) ENE of Tooele.
02 20 20 23.3 44.103 N 105.356 W 0 G 0.8 146 23 WYOMING. ML 3.1 (GS). 15 miles (25 km) SSE of Gillette.
03 18 02 03.7 43.627 N 105.252 W 0 G 0.7 147 17 WYOMING. ML 3.3 (GS). 50 miles (75 km) SSE of Gillette.
03 18 56 24.9 40.566 N 112.183 W 0 G 0.9 52 18 UTAH. ML 1.8 (GS). 5 miles (10 km) ENE of Tooele.
03 21 22 28.7 46.772 N 122.784 W 0 G 0.8 64 13 WASHINGTON. ML 2.1 (GS). 10 miles (15 km) ENE of
Centralia.
03 23 33 21.5* 45.264 N 106.834 W 0 G 0.6 197 6 EASTERN MONTANA. ML 2.6 (GS). 35 miles (50 km) N of
Sheridan, WY.
04 19 31 13.3 40.548 N 112.178 W 0 G 0.6 64 14 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele.
04 21 32 40.4 42.901 N 111.444 W 0 G 0.4 103 10 SOUTHERN IDAHO. ML 1.4 (GS). 30 miles (45 km) WNW of
Afton, WY.
04 22 06 20.8 40.279 N 107.784 W 0 G 0.9 109 18 COLORADO. ML 2.5 (GS). 20 miles (30 km) NNE of Meeker.
05 15 21 53.0 41.784 N 110.727 W 0 G 0.4 136 14 WYOMING. ML 1.6 (GS). 40 miles (60 km) NNE of Evanston.
05 18 48 27.6 36.291 N 110.123 W 0 G 0.6 120 11 ARIZONA. ML 2.6 (GS). 30 miles (50 km) SSE of Kayenta.
05 19 29 03.5 41.156 N 112.883 W 0 G 0.7 102 12 UTAH. ML 1.8 (GS). 50 miles (75 km) W of Ogden.
05 21 13 35.9 41.126 N 112.865 W 0 G 0.6 76 16 UTAH. ML 1.8 (GS). 45 miles (75 km) W of Ogden.
05 22 04 53.5 46.701 N 122.712 W 0 G 0.9 146 13 WASHINGTON. ML 2.2 (GS). 10 miles (20 km) E of
Centralia.
05 22 27 33.4 40.921 N 116.345 W 0 G 0.7 55 24 NEVADA. ML 2.7 (GS). 30 miles (50 km) WNW of Elko.
06 15 38 58.2 40.518 N 112.148 W 0 G 0.3 77 11 UTAH. ML 1.5 (GS). 10 miles (15 km) E of Tooele.
06 18 16 14.4 41.133 N 112.894 W 0 G 0.5 129 13 UTAH. ML 1.9 (GS). 50 miles (75 km) W of Ogden.
06 21 59 21.5 46.733 N 122.773 W 0 G 0.7 63 11 WASHINGTON. ML 2.0 (GS). 10 miles (15 km) E of
Centralia.
06 22 04 23.4 40.384 N 107.697 W 0 1.0 176 14 COLORADO. ML 2.6 (GS). 10 miles (20 km) SW of Craig.
07 16 11 23.1 41.729 N 110.735 W 0 G 0.5 136 13 WYOMING. ML 1.6 (GS). 35 miles (55 km) NNE of Evanston.
07 18 02 34.1 44.126 N 105.404 W 0 G 0.7 147 35 WYOMING. ML 3.6 (GS). 15 miles (20 km) SSE of Gillette.
07 19 16 56.8 40.535 N 112.169 W 0 G 1.0 73 14 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele.
07 20 13 31.7* 43.385 N 105.257 W 0 G 0.8 201 8 WYOMING. ML 2.7 (GS). 45 miles (70 km) N of Douglas.
07 21 46 08.3 46.765 N 122.777 W 0 G 0.8 63 13 WASHINGTON. ML 2.2 (GS). 10 miles (15 km) ENE of
Centralia.
07 22 08 42.9 40.274 N 107.677 W 0 G 0.9 175 12 COLORADO. ML 2.3 (GS). 20 miles (30 km) SSW of Craig.
08 18 28 35.7 40.519 N 112.166 W 0 G 0.5 65 12 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele.
08 19 08 22.0 36.426 N 110.207 W 0 G 0.6 124 8 ARIZONA. ML 2.1 (GS). 20 miles (35 km) S of Kayenta.
08 20 13 32.0 42.753 N 111.701 W 0 G 0.8 84 11 SOUTHERN IDAHO. ML 1.8 (GS). 35 miles (55 km) NW of
Montpelier.
08 21 10 25.0* 33.031 N 109.346 W 0 G 0.9 176 5 ARIZONA. ML 1.9 (GS). Near Clifton.
08 21 57 31.6 46.760 N 122.756 W 0 G 0.6 117 14 WASHINGTON. ML 2.5 (GS). 10 miles (15 km) ENE of
Centralia.
09 15 51 21.3 41.836 N 110.723 W 0 G 0.7 103 16 WYOMING. ML 1.7 (GS). 40 miles (65 km) NNE of Evanston.
09 17 29 16.3 40.546 N 112.190 W 0 G 0.5 62 17 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele.
09 19 03 46.6 43.530 N 105.256 W 0 G 1.0 172 17 WYOMING. ML 3.3 (GS). 50 miles (85 km) E of Midwest.
09 20 26 54.7 40.561 N 112.187 W 0 G 0.8 53 14 UTAH. ML 1.5 (GS). 5 miles (10 km) ENE of Tooele.
09 20 55 17.7 41.701 N 108.650 W 0 G 0.7 94 19 WYOMING. ML 2.8 (GS). 30 miles (45 km) ENE of Rock
Springs.
09 21 40 47.3 46.767 N 122.801 W 0 G 1.0 133 7 WASHINGTON. ML 1.9 (GS). 10 miles (15 km) ENE of
Centralia.
10 17 38 43.8 40.537 N 112.184 W 0 G 0.6 66 14 UTAH. ML 1.7 (GS). 5 miles (10 km) E of Tooele.
10 17 54 57.3 40.524 N 112.164 W 0 G 1.0 74 10 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele.
10 21 13 01.0 41.715 N 108.872 W 0 G 1.3 155 14 WYOMING. ML 1.8 (GS). 20 miles (30 km) ENE of Rock
Springs.
11 14 55 49.6 42.871 N 111.188 W 0 G 0.5 110 15 SOUTHERN IDAHO. ML 1.5 (GS). 15 miles (25 km) NW of
Afton, WY.
11 15 32 28.8 40.565 N 112.206 W 0 G 0.5 109 8 UTAH. ML 1.6 (GS). 5 miles (10 km) ENE of Tooele.
11 16 36 12.9 44.056 N 105.335 W 0 G 0.8 132 26 WYOMING. ML 3.4 (GS). 20 miles (30 km) SSE of Gillette.
11 18 42 31.0 40.555 N 112.176 W 0 G 0.4 66 13 UTAH. ML 2.0 (GS). 5 miles (10 km) ENE of Tooele.
11 22 45 52.7 44.249 N 105.408 W 0 G 0.5 156 12 WYOMING. ML 2.6 (GS). 5 miles (10 km) SE of Gillette.
12 18 51 28.0 41.727 N 110.761 W 0 G 0.6 105 21 WYOMING. ML 2.1 (GS). 35 miles (55 km) NNE of Evanston.
12 20 44 26.7 41.141 N 112.902 W 0 G 0.4 131 11 UTAH. ML 1.8 (GS). 50 miles (80 km) W of Ogden.
12 20 55 35.2 40.965 N 116.371 W 0 G 0.6 157 6 NEVADA. ML 2.0 (GS). 30 miles (50 km) WNW of Elko.
13 15 49 08.8 40.558 N 112.186 W 0 G 0.7 107 11 UTAH. ML 1.6 (GS). 5 miles (10 km) ENE of Tooele.
13 17 01 54.3 41.735 N 110.644 W 0 G 0.3 139 21 WYOMING. ML 2.1 (GS). 35 miles (60 km) NNE of Evanston.
13 18 35 12.2 40.550 N 112.178 W 0 G 0.9 71 13 UTAH. ML 1.5 (GS). 5 miles (10 km) ENE of Tooele.
13 19 44 36.0 41.779 N 110.721 W 0 G 0.7 136 11 WYOMING. ML 1.5 (GS). 35 miles (60 km) NNE of Evanston.
13 21 05 13.8 41.102 N 112.861 W 0 G 0.5 75 15 UTAH. ML 1.8 (GS). 50 miles (75 km) W of Ogden.
13 23 23 10.7 32.855 N 109.318 W 0 G 0.6 187 8 ARIZONA. ML 2.0 (GS). 15 miles (20 km) S of Clifton.
14 16 32 43.3 40.566 N 112.190 W 0 G 0.9 80 12 UTAH. ML 1.6 (GS). 5 miles (10 km) ENE of Tooele.
14 17 41 16.2 46.749 N 122.787 W 0 G 0.7 130 6 WASHINGTON. 10 miles (15 km) ENE of Centralia.
14 19 04 33.5 43.729 N 105.265 W 0 G 0.9 130 16 WYOMING. ML 3.2 (GS). 40 miles (65 km) SSE of Gillette.
14 20 57 36.1 41.026 N 116.371 W 0 G 0.6 119 5 NEVADA. ML 1.8 (GS). 35 miles (55 km) WNW of Elko.
14 22 10 58.8 46.761 N 122.797 W 0 G 0.6 132 6 WASHINGTON. 10 miles (15 km) ENE of Centralia.
15 16 04 10.6 41.760 N 110.638 W 0 G 0.4 139 11 WYOMING. ML 1.6 (GS). 40 miles (60 km) NNE of Evanston.
15 16 06 10.9 40.524 N 112.184 W 0 G 0.5 56 15 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele.
15 22 19 01.5 46.766 N 122.779 W 0 G 0.7 131 10 WASHINGTON. ML 2.3 (GS). 10 miles (15 km) ENE of
Centralia.
16 19 22 41.8 40.557 N 112.177 W 0 G 0.5 87 8 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele.
17 18 04 23.3 43.757 N 105.296 W 0 G 0.6 159 9 WYOMING. ML 3.0 (GS). 40 miles (60 km) SSE of Gillette.
AUG 2002 (EXP) PAGE 2
17 20 41 20.4 40.532 N 112.162 W 0 G 0.4 55 13 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele.
17 23 58 07.6* 44.066 N 105.349 W 0 G 0.4 154 5 WYOMING. ML 2.8 (GS). 15 miles (30 km) SSE of Gillette.
18 18 13 18.0 46.771 N 122.779 W 0 G 0.5 134 4 WASHINGTON. 10 miles (15 km) ENE of Centralia.
18 22 05 54.8 41.796 N 108.906 W 0 G 0.4 97 6 WYOMING. ML 2.1 (GS). 20 miles (35 km) NE of Rock
Springs.
19 20 23 36.7* 43.293 N 105.178 W 0 G 1.2 140 6 WYOMING. ML 2.5 (GS). 40 miles (60 km) NNE of Douglas.
19 21 10 21.4 40.924 N 116.349 W 0 G 0.7 98 15 NEVADA. ML 2.5 (GS). 30 miles (50 km) WNW of Elko.
19 22 00 35.0 40.559 N 107.483 W 0 G 0.5 184 10 COLORADO. ML 2.5 (GS). 5 miles (10 km) NE of Craig.
20 14 10 46.1 35.493 N 107.639 W 0 G 0.6 90 12 NEW MEXICO. ML 2.5 (GS). 25 miles (40 km) NNE of Grants.
20 16 36 49.3 40.563 N 112.180 W 0 G 0.9 53 12 UTAH. ML 1.1 (GS). 5 miles (10 km) ENE of Tooele.
20 18 06 29.8 41.120 N 112.869 W 0 G 0.4 107 8 UTAH. ML 1.1 (GS). 50 miles (75 km) W of Ogden.
20 19 32 25.7 41.144 N 112.879 W 0 G 0.5 77 13 UTAH. ML 1.7 (GS). 40 miles (75 km) W of Ogden.
20 20 19 40.6 40.539 N 112.169 W 0 G 0.8 60 13 UTAH. ML 1.7 (GS). 5 miles (10 km) E of Tooele.
21 16 16 00.5 40.525 N 112.157 W 0 G 0.5 74 9 UTAH. ML 1.1 (GS). 5 miles (10 km) E of Tooele.
21 16 47 59.7 41.809 N 108.785 W 0 G 0.6 85 13 WYOMING. ML 2.0 (GS). 25 miles (40 km) NE of Rock
Springs.
21 22 04 50.7 46.756 N 122.778 W 0 G 0.7 129 11 WASHINGTON. ML 2.3 (GS). 10 miles (15 km) ENE of
Centralia.
22 15 42 19.5 40.510 N 112.177 W 0 G 0.5 74 12 UTAH. ML 1.4 (GS). 5 miles (10 km) E of Tooele.
22 19 06 09.0 43.637 N 105.258 W 0 G 0.8 123 11 WYOMING. ML 2.7 (GS). 45 miles (75 km) SSE of Gillette.
22 20 48 56.9 40.931 N 116.354 W 0 G 0.9 154 10 NEVADA. ML 2.1 (GS). 30 miles (50 km) WNW of Elko.
22 21 26 41.6 41.842 N 108.770 W 0 G 1.3 92 21 WYOMING. ML 2.5 (GS). 30 miles (45 km) NE of Rock
Springs.
22 22 07 06.6 46.761 N 122.768 W 0 G 0.7 81 9 WASHINGTON. 10 miles (15 km) ENE of Centralia.
23 15 27 02.4 40.523 N 112.154 W 0 G 0.4 56 13 UTAH. ML 1.5 (GS). 5 miles (10 km) E of Tooele.
23 16 02 45.8 41.810 N 110.708 W 0 G 0.7 107 18 WYOMING. ML 1.7 (GS). 40 miles (65 km) NNE of
Evansville.
23 20 00 29.0 43.679 N 105.270 W 0 G 1.1 120 18 WYOMING. ML 2.9 (GS). 45 miles (70 km) SSE of Gillette.
23 22 05 38.9 40.307 N 107.832 W 0 G 1.1 134 20 COLORADO. ML 2.4 (GS). 20 miles (30 km) SW of Craig.
24 20 51 31.4 40.987 N 116.361 W 0 G 0.7 100 9 NEVADA. ML 2.4 (GS). 35 miles (55 km) WNW of Elko.
25 19 23 11.3 43.748 N 105.243 W 0 G 0.4 192 6 WYOMING. ML 2.5 (GS). 40 miles (65 km) SSE of Gillette.
25 20 16 27.6 35.492 N 107.555 W 0 G 0.6 116 10 NEW MEXICO. ML 2.0 (GS). 30 miles (45 km) NE of Grants.
25 20 49 54.3 43.403 N 105.104 W 0 G 0.1 139 5 WYOMING. ML 2.6 (GS). 45 miles (75 km) NNE of Douglas.
25 22 22 43.2 40.324 N 107.766 W 0 G 0.7 72 16 COLORADO. ML 3.1 (GS). 20 miles (30 km) SW of Craig.
26 17 05 31.6 45.248 N 106.880 W 0 G 0.8 187 15 EASTERN MONTANA. ML 3.1 (GS). 30 miles (50 km) N of
Sheridan, WY.
26 18 46 55.5 41.788 N 110.682 W 0 G 0.5 120 12 WYOMING. ML 2.2 (GS). 40 miles (60 km) NNE of Evanston.
26 20 23 40.9 44.145 N 105.385 W 0 G 0.8 138 19 WYOMING. ML 3.5 (GS). 10 miles (20 km) SSE of Gillette.
26 22 34 49.1 46.764 N 122.775 W 0 G 0.8 130 13 WASHINGTON. ML 2.6 (GS). 10 miles (15 km) ENE of
Centralia.
27 15 55 26.6 41.810 N 110.674 W 0 G 0.5 138 13 WYOMING. ML 1.6 (GS). 40 miles (65 km) NNE of Evanston.
27 18 19 29.7 41.139 N 112.888 W 0 G 0.6 77 13 UTAH. ML 1.8 (GS). 50 miles (75 km) W of Ogden.
27 19 04 19.8 42.708 N 111.668 W 0 G 0.4 78 14 SOUTHERN IDAHO. ML 1.9 (GS). 30 miles (50 km) NW of
Montpelier.
27 20 06 54.3 43.724 N 105.272 W 0 G 0.7 120 27 WYOMING. ML 3.4 (GS). 40 miles (65 km) SSE of Gillette.
27 20 13 34.1 41.123 N 112.885 W 0 G 0.4 126 8 UTAH. ML 1.4 (GS). 50 mles (75 km) W of Ogden.
27 22 07 05.0 46.770 N 122.768 W 0 G 0.4 130 7 WASHINGTON. 10 miles (15 km) ENE of Centralia.
28 15 19 08.4 40.530 N 112.206 W 0 G 0.3 71 9 UTAH. ML 1.4 (GS). Near Tooele.
28 22 20 11.5 46.767 N 122.775 W 0 G 0.5 63 14 WASHINGTON. ML 2.4 (GS). 10 miles (15 km) ENE of
Centralia.
29 15 37 08.7 40.544 N 112.165 W 0 G 0.2 54 15 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele.
29 18 22 58.6* 32.847 N 109.281 W 0 G 0.7 188 4 ARIZONA. ML 1.4 (GS). 15 miles (20 km) S of Clifton.
29 21 50 03.6 46.771 N 122.756 W 0 G 0.5 79 11 WASHINGTON. ML 1.7 (GS). 10 miles (15 km) ENE of
Centralia.
29 22 04 53.5* 40.350 N 107.799 W 0 G 0.2 217 9 COLORADO. ML 2.2 (GS). 20 miles (30 km) SW of Craig.
30 15 31 20.8 40.532 N 112.187 W 0 G 0.5 72 11 UTAH. ML 1.6 (GS). 5 miles (10 km) E of Tooele.
30 18 24 44.8 41.772 N 108.696 W 0 G 0.2 166 11 WYOMING. ML 2.8 (GS). 30 miles (50 km) ENE of Rock
Springs.
30 19 44 07.0 40.555 N 112.210 W 0 G 1.0 69 13 UTAH. ML 1.4 (GS). 5 miles (10 km) E of Tooele.
30 20 01 41.0 43.761 N 105.334 W 0 G 0.6 123 11 WYOMING. ML 2.5 (GS). 40 miles (60 km) SSE of Gillette.
31 19 22 07.3 40.536 N 112.146 W 0 G 0.4 74 11 UTAH. ML 1.2 (GS). 10 miles (15 km) E of Tooele.
31 21 38 47.3 46.734 N 122.747 W 0 G 1.0 92 5 WASHINGTON. ML 1.5 (GS). 10 miles (15 km) E of
Centralia.
For origin times after September 30, 2002, USGS computations of hypocenters and magnitudes for routine mining events are listed in this publication only for exceptionally large events and for events that are also listed in the Reviewed Event Event Bulletins (REB) of the International Data Center of the United Nations' Comprehensive Nuclear-Test-Ban Treaty Organization.
Routine U.S. Mining Seismicity Home Page | Goal and Scope of the Bulletin | Evidence used in Identifying Routine Mining Seismicity | Explanation of Catalog Listings | Mining Seismicity Source Regions
