Bulletin: July 1998
U.S. DEPARTMENT OF THE INTERIOR NO. 7-98-EXP
GEOLOGICAL SURVEY OCT 20, 1998
PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
JULY 1998
ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD NO. REGION, CONTRIBUTED MAGNITUDES AND COMMENTS
UTC COORDINATES GS STA
DAY HR MN SEC LAT LONG MB Msz USED
02 13 25 00.9 39.335 N 111.357 W 0 G 1.3 8 UTAH. ML 1.0 (GS). 35 miles (60 km) WSW of Price, Utah.
02 15 22 04.1 41.789 N 110.575 W 0 G 1.2 14 WYOMING. ML 1.7 (GS). 40 miles (70 km) NNE of Evanston,
Wyoming.
02 15 30 35.9? 43.64 N 105.32 W 0 G 1.0 8 WYOMING. ML 3.0 (GS). 45 miles (70 km) SSE of Gillette,
Wyoming.
02 15 57 53.7 40.469 N 112.164 W 0 G 0.9 8 UTAH. ML 1.7 (GS). 10 miles (10 km) ESE of Tooele, Utah.
03 19 50 04.2 40.572 N 112.228 W 0 G 1.4 10 UTAH. ML 2.3 (GS). NEAR Tooele, Utah.
03 20 05 03.1 40.686 N 112.105 W 0 G 1.0 7 UTAH. ML 1.9 (GS). 10 miles (20 km) WSW of Salt Lake City,
Utah.
03 21 21 56.4 46.749 N 122.777 W 0 G 0.6 7 WASHINGTON. ML 2.5 (GS). 10 miles (10 km) ENE of Centralia,
Washington.
03 22 05 51.6 40.329 N 107.872 W 0 G 1.3 10 COLORADO. ML 2.5 (GS). 20 miles (30 km) SW of Craig,
Colorado.
05 15 58 39.9 40.536 N 112.256 W 0 G 0.6 11 UTAH. ML 2.4 (GS). NEAR Tooele, Utah.
06 15 00 51.1 40.539 N 112.239 W 0 G 0.8 16 UTAH. ML 2.3 (GS). NEAR Tooele, Utah.
06 20 01 39.7* 39.279 N 114.652 W 0 G 0.3 5 NEVADA. ML 1.7 (GS). 15 miles (20 km) E of Ely, Nevada.
07 15 02 59.1 40.531 N 112.200 W 0 G 0.6 11 UTAH. ML 2.1 (GS). NEAR Tooele, Utah.
07 15 36 51.9 41.688 N 110.668 W 0 G 0.7 8 WYOMING. ML 1.5 (GS). 35 miles (50 km) NNE of Evanston,
Wyoming.
07 18 26 16.4 40.573 N 112.241 W 0 G 1.3 12 UTAH. ML 2.1 (GS). NEAR Tooele, Utah.
07 18 57 23.0 40.645 N 109.500 W 0 G 1.3 12 UTAH. ML 2.5 (GS). 15 miles (20 km) N of Vernal, Utah.
08 19 03 56.0 40.371 N 107.705 W 0 G 0.6 8 COLORADO. ML 2.5 (GS). 15 miles (20 km) SW of Craig,
Colorado.
08 20 30 26.3 40.544 N 112.166 W 0 G 0.7 11 UTAH. ML 2.2 (GS). 5 miles (10 km) E of Tooele, Utah.
09 17 47 32.9* 36.596 N 110.387 W 0 G 1.4 7 EASTERN ARIZONA. ML 2.2 (GS). 10 miles (20 km) SW of
Kayenta, Arizona.
09 18 18 01.1* 40.661 N 112.268 W 0 G 0.9 6 UTAH. ML 1.7 (GS). 10 miles (10 km) N of Tooele, Utah.
09 18 54 18.2 41.673 N 110.615 W 0 G 1.1 12 WYOMING. ML 1.7 (GS). 35 miles (50 km) NNE of Evanston,
Wyoming.
09 20 11 17.8 40.532 N 112.244 W 0 G 0.6 9 UTAH. ML 1.8 (GS). NEAR Tooele, Utah.
09 22 20 26.0? 5.49 N 72.88 W 265 ? 3.4 0.1 5 COLOMBIA
11 21 26 59.0 40.522 N 112.179 W 0 G 0.9 12 UTAH. ML 2.5 (GS). 5 miles (10 km) E of Tooele, Utah.
11 21 54 21.5 40.223 N 107.781 W 0 G 0.8 8 COLORADO. ML 2.4 (GS). 25 miles (40 km) SSW of Craig,
Colorado.
13 18 42 25.9 41.773 N 108.806 W 0 G 1.3 11 WYOMING. ML 2.7 (GS). 25 miles (40 km) ENE of Rock Springs,
Wyoming.
13 19 27 40.2* 32.645 N 109.306 W 0 G 1.3 6 EASTERN ARIZONA. ML 2.6 (GS). 25 miles (40 km) ESE of
Safford, Arizona.
13 19 41 26.0 41.697 N 108.471 W 0 G 0.9 11 WYOMING. ML 2.5 (GS). 40 miles (60 km) ENE of Rock Springs,
Wyoming.
13 20 54 23.9* 46.762 N 122.805 W 0 G 0.6 5 WASHINGTON. 10 miles (10 km) ENE of Centralia, Washington.
14 20 00 32.9 41.702 N 110.696 W 0 G 0.9 17 WYOMING. ML 2.4 (GS). 30 miles (50 km) NNE of Evanston,
Wyoming.
16 18 40 50.0 40.641 N 109.496 W 0 G 1.1 18 UTAH. ML 2.3 (GS). 15 miles (20 km) N of Vernal, Utah.
16 19 19 55.3* 36.550 N 108.717 W 0 G 0.8 5 NEW MEXICO. ML 2.3 (GS). 30 miles (50 km) WSW of Farmington,
New Mexico.
16 19 59 46.2* 40.341 N 112.154 W 0 G 1.1 5 UTAH. ML 2.2 (GS). 15 miles (20 km) SSE of Tooele, Utah.
17 17 32 03.6 40.588 N 112.151 W 0 G 1.0 7 UTAH. ML 1.8 (GS). 10 miles (10 km) ENE of Tooele, Utah.
17 18 48 01.6 41.696 N 108.437 W 0 G 0.9 13 WYOMING. ML 2.9 (GS). 40 miles (60 km) E of Rock Springs,
Wyoming.
17 19 51 52.9 40.574 N 112.180 W 0 G 0.9 10 UTAH. ML 2.0 (GS). NEAR Tooele, Utah.
17 20 08 44.1 40.619 N 112.205 W 0 G 0.4 8 UTAH. ML 1.6 (GS). 10 miles (10 km) NE of Tooele, Utah.
17 20 11 13.2 42.889 N 111.370 W 0 G 0.8 7 EASTERN IDAHO. ML 1.3 (GS). 25 miles (40 km) WNW of Afton,
Wyoming.
17 21 26 12.9* 46.778 N 122.756 W 0 G 0.9 5 WASHINGTON. ML 2.5 (GS). 10 miles (20 km) ENE of Centralia,
Washington.
18 15 13 48.5 40.545 N 112.161 W 0 G 1.3 10 UTAH. ML 2.1 (GS). 5 miles (10 km) E of Tooele, Utah.
18 20 15 20.7 40.524 N 112.127 W 0 G 1.3 12 UTAH. ML 1.9 (GS). 10 miles (10 km) E of Tooele, Utah.
20 15 23 54.7 40.526 N 112.158 W 0 G 0.6 11 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele, Utah.
20 17 41 01.0 40.507 N 112.163 W 0 G 1.0 6 UTAH. ML 2.1 (GS). 5 miles (10 km) ESE of Tooele, Utah.
20 17 48 02.4 41.127 N 112.880 W 0 G 1.1 8 UTAH. ML 1.5 (GS). 50 miles (80 km) W of Ogden, Utah.
21 15 20 40.4 40.535 N 112.169 W 0 G 0.4 8 UTAH. ML 1.3 (GS). 5 miles (10 km) E of Tooele, Utah.
21 16 53 16.1 40.619 N 112.175 W 0 G 0.6 9 UTAH. ML 1.3 (GS). 10 miles (10 km) NE of Tooele.
21 18 21 48.4* 40.126 N 107.538 W 0 G 0.8 6 COLORADO. ML 2.0 (GS). 25 miles (40 km) S of Craig, Colorado.
21 20 08 04.3 40.615 N 112.036 W 0 G 0.8 9 UTAH. ML 1.4 (GS). 15 miles (20 km) SW of SALT LAKE CITY,
Utah.
21 23 38 54.2* 41.768 N 108.578 W 0 G 1.3 12 WYOMING. ML 2.0 (GS). 35 miles (50 km) ENE of Rock Springs,
Wyoming.
22 16 24 50.2 40.574 N 112.213 W 0 G 1.1 10 UTAH. ML 1.5 (GS). NEAR Toole, Utah.
22 17 38 20.1 39.841 N 111.408 W 0 G 1.4 9 UTAH. ML 1.7 (GS). 25 miles (40 km) SE of Spanish Fork, Utah.
22 17 55 54.9 41.683 N 110.563 W 0 G 1.0 12 WYOMING. ML 2.2 (GS). 35 miles (60 km) NE of Evanston,
Wyoming.
22 20 04 56.2 40.508 N 112.139 W 0 G 0.7 7 UTAH. ML 2.1 (GS). 10 miles (10 km) E of Tooele, Utah.
23 15 33 43.9 40.535 N 112.204 W 0 G 1.1 14 UTAH. ML 2.2 (GS). NEAR Tooele, Utah.
23 16 35 43.5 40.641 N 112.177 W 0 G 1.3 9 UTAH. ML 1.5 (GS). 10 miles (20 km) NE of Tooele, Utah.
23 17 08 18.4 41.727 N 110.647 W 0 G 0.7 16 WYOMING. ML 2.0 (GS). 35 miles (60 km) NNE of Evanston,
Wyoming.
23 17 47 35.7 41.113 N 112.879 W 0 G 0.6 8 UTAH. ML 1.7 (GS). 50 miles (80 km) W of Ogden, Utah.
23 17 51 43.4* 43.588 N 105.150 W 0 G 1.2 14 WYOMING. ML 3.5 (GS). 50 miles (80 km) WSW of Newcastle,
Wyoming.
23 17 57 42.9 40.501 N 112.154 W 0 G 1.1 13 UTAH. ML 2.2 (GS). 10 miles (10 km) E of Tooele, Utah.
24 18 23 15.5 41.680 N 110.652 W 0 G 0.9 13 WYOMING. ML 1.6 (GS). 35 miles (50 km) NNE of Evanston,
Wyoming.
24 19 55 52.6 40.487 N 112.179 W 0 G 0.6 14 UTAH. ML 2.4 (GS). 5 miles (10 km) ESE of Tooele, Utah.
24 21 34 04.8* 32.801 N 109.334 W 0 G 1.2 8 EASTERN ARIZONA. ML 3.0 (GS). 20 miles (40 km) E of Safford,
Arizona.
24 22 06 40.7 42.874 N 111.395 W 0 G 0.6 9 EASTERN IDAHO. ML 1.8 (GS). 25 miles (40 km) WNW of Afton,
Wyoming.
24 22 30 27.9 46.735 N 122.780 W 0 G 1.3 8 WASHINGTON. ML 2.6 (GS). 10 miles (10 km) E of Centralia,
Washington.
25 16 44 47.6 40.537 N 112.185 W 0 G 1.1 11 UTAH. ML 1.8 (GS). 5 miles (10 km) E of Tooele, Utah.
25 19 45 12.6 40.403 N 112.133 W 0 G 0.5 6 UTAH. ML 1.6 (GS). 10 miles (20 km) SE of Tooele, Utah.
26 15 12 37.9 40.549 N 112.166 W 0 G 1.1 15 UTAH. ML 2.2 (GS). 5 miles (10 km) ENE of Tooele, Utah.
26 18 47 28.6 40.546 N 112.244 W 0 G 1.0 12 UTAH. ML 2.1 (GS). NEAR Tooele, Utah.
26 21 49 50.4 41.838 N 108.689 W 0 G 0.9 20 WYOMING. ML 2.5 (GS). 30 miles (50 km) NE of Rock Springs,
Wyoming.
27 19 24 13.9 42.693 N 111.134 W 0 G 0.4 12 EASTERN IDAHO. ML 1.8 (GS). 10 miles (20 km) WSW of Afton,
Wyoming.
27 19 42 22.8* 33.345 N 109.554 W 0 G 1.2 6 EASTERN ARIZONA. ML 2.3 (GS). 35 miles (60 km) NNE of
Safford, Arizona.
27 20 13 56.9 40.554 N 112.229 W 0 G 0.6 13 UTAH. ML 2.3 (GS). NEAR Tooele, Utah.
28 16 12 22.0 41.720 N 110.685 W 0 G 1.1 9 WYOMING. ML 1.6 (GS). 35 miles (60 km) NNE of Evanston,
Wyoming.
28 16 22 28.5* 41.868 N 109.035 W 0 G 0.5 7 WYOMING. ML 1.9 (GS). 10 miles (30 km) NNE of Rock Springs,
Wyoming.
28 16 29 30.2 40.552 N 112.216 W 0 G 0.7 7 UTAH. ML 1.5 (GS). NEAR Tooele, Utah.
28 19 56 42.1* 37.292 N 81.762 W 0 G 1.5 7 WEST VIRGINIA. mbLg 3.1 (GS). 30 miles (50 km) W of
Bluefield, West Virginia.
28 23 16 10.7 42.788 N 111.346 W 0 G 0.7 9 EASTERN IDAHO. ML 1.6 (GS). 20 miles (40 km) W of Afton,
Wyoming.
29 15 42 40.0 40.552 N 112.212 W 0 G 1.1 16 UTAH. ML 2.4 (GS). NEAR Tooele, Utah.
29 17 18 12.7* 40.585 N 109.617 W 0 G 1.2 7 UTAH. ML 2.2 (GS). 10 miles (20 km) NNW of Vernal, Utah.
29 20 00 31.9* 40.439 N 112.261 W 0 G 1.3 8 UTAH. ML 2.1 (GS). 5 miles (10 km) SSE of Tooele, Utah.
29 22 07 09.3 40.313 N 107.750 W 0 G 0.9 17 COLORADO. ML 3.1 (GS). 20 miles (30 km) SW of Craig,
Colorado.
30 15 08 00.3 40.581 N 112.214 W 0 G 0.6 10 UTAH. ML 1.9 (GS). NEAR Tooele, Utah.
30 17 07 56.1 41.694 N 108.598 W 0 G 0.9 19 WYOMING. ML 3.1 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
30 17 22 52.0 40.537 N 112.172 W 0 G 0.7 14 UTAH. ML 2.0 (GS). 5 miles (10 km) E of Tooele, Utah.
30 19 41 04.6 40.519 N 112.195 W 0 G 0.6 13 UTAH. ML 2.3 (GS). 5 miles (10 km) ESE of Tooele, Utah.
30 20 11 42.4* 40.654 N 112.217 W 0 G 1.0 5 UTAH. ML 1.2 (GS). 10 miles (20 km) NNE of Tooele, Utah.
31 16 33 16.9 40.543 N 112.179 W 0 G 0.8 9 UTAH. ML 2.0 (GS). 5 miles (10 km) E of Tooele, Utah.
31 19 59 07.9 42.676 N 111.111 W 0 G 0.7 8 EASTERN IDAHO. ML 2.2 (GS). 10 miles (20 km) WSW of Afton,
Wyoming.
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.
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