Bulletin: May 1998
U.S. DEPARTMENT OF THE INTERIOR NO. 5-98-EXP
GEOLOGICAL SURVEY JUL 28, 1998
PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
MAY 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
01 16 02 39.4 40.588 N 112.178 W 0 G 0.7 8 UTAH. ML 2.0 (GS). 5 miles (10 km) ESE of Tooele, Utah.
01 20 20 53.9* 43.814 N 105.173 W 0 G 1.2 9 WYOMING. ML 3.0 (GS). 35 miles (60 km) SSE of Gillette,
Wyoming.
01 20 38 04.4 46.735 N 122.828 W 0 G 1.2 7 WASHINGTON. NEAR Centralia, Washington.
01 20 41 23.7* 37.303 N 81.848 W 0 G 1.4 8 WEST VIRGINIA. mbLg 3.1 (GS). 35 miles (60 km) W of
Bluefield, West Virginia.
01 21 50 40.6* 40.504 N 107.503 W 0 G 0.8 6 COLORADO. ML 2.2 (GS). NEAR Craig, Colorado.
02 21 53 54.1* 43.470 N 104.893 W 0 G 1.0 8 WYOMING. ML 2.9 (GS). 45 miles (70 km) SW of Newcastle,
Wyoming.
03 06 05 49.3 40.462 N 106.918 W 0 G 0.7 13 COLORADO. ML 2.7 (GS). NEAR Steamboat Springs, Colorado.
03 19 29 46.9* 43.835 N 105.327 W 0 G 1.2 7 WYOMING. ML 2.6 (GS). 35 miles (50 km) SSE of Gillette,
Wyoming.
06 16 45 21.6? 36.71 N 110.05 W 0 G 0.2 5 EASTERN ARIZONA. ML 2.3 (GS). 15 miles (30 km) S of Kayenta,
Arizona.
06 17 15 35.1* 39.600 N 80.088 W 0 G 1.1 5 WEST VIRGINIA. mbLg 2.6 (GS). 5 miles (10 km) WSW of
Morgantown, West Virginia.
07 18 02 41.2* 39.634 N 79.964 W 0 G 0.8 6 WEST VIRGINIA. mbLg 2.5 (GS). NEAR Morgantown, West Virginia.
07 19 37 29.4* 37.652 N 81.877 W 0 G 1.3 7 WEST VIRGINIA. mbLg 3.0 (GS). 20 miles (40 km) E of
Williamson, West Virginia.
07 19 51 59.4 37.567 N 82.008 W 0 G 0.6 6 WEST VIRGINIA. mbLg 2.6 (GS). 15 miles (30 km) ESE of
Williamson, West Virginia.
08 14 23 23.6 40.490 N 107.287 W 0 G 1.2 10 COLORADO. ML 2.5 (GS). 15 miles (20 km) E of Craig, Colorado.
12 20 00 18.7 37.692 N 81.587 W 0 G 0.9 6 WEST VIRGINIA. mbLg 3.2 (GS). 25 miles (40 km) WSW of
Beckley, West Virginia.
13 21 10 33.3* 38.038 N 81.188 W 0 G 1.1 7 WEST VIRGINIA. mbLg 3.0 (GS). 20 miles (30 km) N of Beckley,
West Virginia.
17 00 55 07.8* 43.504 N 105.036 W 0 G 1.3 7 WYOMING. ML 2.9 (GS). 50 miles (80 km) WSW of Newcastle,
Wyoming.
17 17 02 47.6 40.534 N 112.172 W 0 G 0.9 13 UTAH. ML 2.1 (GS). 5 miles (10 km) E of Tooele, Utah.
18 21 32 26.6* 38.586 N 80.605 W 0 G 0.7 6 WEST VIRGINIA. mbLg 3.2 (GS). 25 miles (40 km) N of
Richwood, West Virginia.
19 17 50 27.6 40.532 N 112.197 W 0 G 0.7 9 UTAH. ML 2.3 (GS). NEAR Tooele, Utah.
21 21 32 45.3 46.704 N 122.781 W 0 G 1.0 7 WASHINGTON. 10 miles (10 km) E of Centralia, Washington.
22 22 01 55.0 40.214 N 107.802 W 0 G 1.3 13 COLORADO. ML 2.6 (GS). 25 miles (40 km) SSW of Craig,
Colorado.
23 15 27 27.8 41.811 N 108.524 W 0 G 1.3 18 WYOMING. ML 2.7 (GS). 40 miles (60 km) ENE of Rock Springs,
Wyoming.
24 15 10 44.5 40.556 N 112.136 W 0 G 1.0 18 UTAH. ML 2.5 (GS). 10 miles (10 km) ENE of Tooele, Utah.
25 19 46 14.9 41.816 N 108.776 W 0 G 1.0 20 WYOMING. ML 2.6 (GS). 25 miles (40 km) NE of Rock Springs,
Wyoming.
26 21 58 47.1 40.339 N 107.789 W 0 G 0.7 12 COLORADO. ML 2.8 (GS). 20 miles (30 km) SW of Craig,
Colorado.
27 22 41 40.7 41.927 N 108.866 W 0 G 1.1 12 WYOMING. ML 2.4 (GS). 30 miles (50 km) NE of Rock Springs,
Wyoming.
29 15 49 42.1 41.817 N 108.719 W 0 G 1.1 14 WYOMING. ML 2.8 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
31 20 22 32.0 38.897 N 107.472 W 0 G 0.9 16 COLORADO. ML 3.0 (GS). 35 miles (60 km) NE of Montrose,
Colorado.
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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