Bulletin: February 1999
U.S. DEPARTMENT OF THE INTERIOR NO. 2-99-EXP
GEOLOGICAL SURVEY NOV 8, 1999
PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
FEBRUARY 1999
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 19 16 15.8 41.742 N 108.665 W 0 G 1.0 16 WYOMING. ML 2.4 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
01 20 27 54.4 40.571 N 112.188 W 0 G 0.9 21 UTAH. ML 2.6 (GS). Near Tooele, Utah.
02 22 45 26.1 40.625 N 109.589 W 0 G 0.7 13 UTAH. ML 2.5 (GS). 10 miles (20 km) NNW of Vernal, Utah.
08 23 09 01.2 40.407 N 107.818 W 0 G 1.0 11 COLORADO. ML 3.2 (GS). 15 miles (30 km) WSW of Craig,
Colorado.
10 20 14 32.5* 33.022 N 109.475 W 0 G 0.9 6 EASTERN ARIZONA. ML 2.6 (GS). 20 miles (30 km) NE of
Safford, Arizona.
12 22 52 55.5 41.589 N 108.854 W 0 G 1.1 17 WYOMING. ML 2.5 (GS). 20 miles (30 km) E of Rock Springs,
Wyoming.
12 23 28 56.7* 32.701 N 109.371 W 0 G 1.4 9 EASTERN ARIZONA. ML 2.7 (GS). 20 miles (30 km) ESE of
Safford, Arizona.
13 18 33 52.9 41.800 N 108.661 W 0 G 0.8 23 WYOMING. ML 3.1 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
14 21 17 38.2 41.824 N 108.759 W 0 G 0.7 14 WYOMING. ML 2.6 (GS). 30 miles (50 km) NE of Rock Springs,
Wyoming.
15 22 03 23.4 37.997 N 81.202 W 0 G 0.9 9 WEST VIRGINIA. mbLg 3.1 (GS). 15 miles (20 km) N of Beckley,
West Virginia.
15 22 36 07.0 41.785 N 108.724 W 0 G 1.2 19 WYOMING. ML 2.8 (GS). 30 miles (40 km) ENE of Rock Springs,
Wyoming.
17 23 08 16.8 40.307 N 107.792 W 0 G 1.2 10 COLORADO. ML 2.7 (GS). 20 miles (30 km) SW of Craig,
Colorado.
18 18 47 34.4* 32.518 N 109.126 W 0 G 1.5 10 EASTERN ARIZONA. ML 2.8 (GS). 25 miles (40 km) WNW of
Lordsburg, New Mexico.
18 21 46 44.1* 32.928 N 109.550 W 0 G 0.8 9 EASTERN ARIZONA. ML 2.6 (GS). 10 miles (20 km) NE of
Safford, Arizona.
19 23 03 05.3* 40.363 N 107.718 W 0 G 1.4 8 COLORADO. ML 2.5 (GS). 15 miles (20 km) SW of Craig,
Colorado.
20 20 37 27.9 40.551 N 112.188 W 0 G 1.1 21 UTAH. ML 2.5 (GS). NEAR Tooele, Utah.
21 16 29 31.1 40.524 N 112.143 W 0 G 0.6 18 UTAH. ML 2.2 (GS). 10 miles (10 km) E of Tooele, Utah.
22 20 09 55.7 43.649 N 105.141 W 0 G 1.1 14 WYOMING. ML 3.4 (GS). 50 miles (80 km) SSE of Gillette,
Wyoming.
23 17 04 30.1 40.616 N 109.557 W 0 G 1.4 12 UTAH. ML 2.4 (GS). 10 miles (20 km) N of Vernal, Utah.
23 17 27 06.4 40.554 N 112.206 W 0 G 0.9 20 UTAH. ML 2.5 (GS). NEAR Tooele, Utah.
23 20 00 59.0* 44.053 N 105.101 W 0 G 1.4 8 WYOMING. ML 3.2 (GS). 25 miles (40 km) SE of Gillette,
Wyoming.
24 17 14 35.5 37.225 N 82.008 W 0 G 1.4 8 WEST VIRGINIA. mbLg 3.3 (GS). 35 miles (50 km) ESE of
Pikeville, Kentucky.
24 21 20 37.6 40.153 N 107.015 W 0 G 1.5 9 COLORADO. ML 2.4 (GS). 25 miles (40 km) SSW of Steamboat
Springs, Colorado.
25 17 08 30.4* 37.027 N 82.630 W 0 G 0.8 5 WEST VIRGINIA. mbLg 3.0 (GS). 10 miles (20 km) NNE of Big
Stone Gap, Virginia.
25 20 07 10.1 43.666 N 105.241 W 0 G 1.4 16 WYOMING. ML 3.4 (GS). 45 miles (70 km) SSE of Gillette,
Wyoming.
25 21 29 29.1 40.578 N 109.559 W 0 G 1.0 9 UTAH. ML 2.5 (GS). 10 miles (10 km) N of Vernal, Utah.
26 20 08 13.8* 43.436 N 105.664 W 0 G 0.7 12 WYOMING. ML 3.4 (GS). 30 miles (50 km) E of Midwest, Wyoming.
26 21 36 59.8* 36.517 N 110.490 W 0 G 1.5 7 EASTERN ARIZONA. ML 2.5 (GS). 20 miles (30 km) SW of
Kayenta, Arizona.
28 23 06 10.5 40.269 N 107.838 W 0 G 1.2 16 COLORADO. ML 2.4 (GS). 25 miles (40 km) SW of Craig,
Colorado.
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