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.