Bulletin: June 1999
U.S. DEPARTMENT OF THE INTERIOR NO. 6-99-EXP
GEOLOGICAL SURVEY DEC 8, 1999
PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
JUNE 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 21 01 45.8 38.015 N 81.421 W 0 G 0.6 8 WEST VIRGINIA. mbLg 3.0 (GS). 20 miles (30 km) NW of
Beclkey, West Virginia.
01 21 10 54.0* 44.177 N 105.191 W 0 G 0.4 5 WYOMING. ML 2.8 (GS). 15 miles (30 km) ESE of Gillette,
Wyoming.
02 16 16 12.1 40.508 N 112.141 W 0 G 0.7 10 UTAH. ML 2.4 (GS). 5 miles (10 km) E of Tooele, Utah.
03 19 05 38.1* 41.794 N 108.812 W 0 G 1.0 10 WYOMING. ML 2.5 (GS). 25 miles (40 km) NE of Rock Springs,
Wyoming.
03 22 24 43.8* 44.072 N 105.277 W 0 G 0.9 7 WYOMING. ML 3.0 (GS). 20 miles (30 km) SE of Gillette,
Wyoming.
03 22 39 43.1* 44.167 N 105.242 W 0 G 0.8 8 WYOMING. ML 3.1 (GS). 15 miles (20 km) ESE of Gillette,
Wyoming.
06 21 57 19.2 40.229 N 107.717 W 0 G 0.5 11 COLORADO. ML 2.7 (GS). 20 miles (30 km) SSW of Craig,
Colorado.
07 17 29 16.5* 36.485 N 110.458 W 0 G 1.5 6 EASTERN ARIZONA. ML 2.2 (GS). 20 miles (30 km) SW of
Kayenta, Arizona.
09 16 12 23.1 40.511 N 112.134 W 0 G 0.8 13 UTAH. ML 2.3 (GS). 10 miles (10 km) ESE of Tooele, Utah.
09 19 02 31.9* 36.586 N 108.393 W 0 G 1.3 11 NEW MEXICO. ML 2.7 (GS). 15 miles (20 km) SW of Farmington,
New Mexico.
09 19 55 23.7* 36.206 N 110.132 W 0 G 1.2 10 EASTERN ARIZONA. ML 2.5 (GS). 35 miles (50 km) W of Chinle,
Arizona.
10 18 55 43.0 41.822 N 110.649 W 0 G 0.8 13 WYOMING. ML 2.5 (GS). 40 miles (60 km) NNE of Evanston,
Wyoming.
10 22 00 25.8 40.277 N 107.802 W 0 G 0.9 18 COLORADO. ML 3.4 (GS). 20 miles (30 km) SW of Craig,
Colorado.
10 22 31 16.2 41.750 N 108.665 W 0 G 1.0 11 WYOMING. ML 2.8 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
11 20 54 53.6 41.751 N 108.546 W 0 G 1.2 16 WYOMING. 35 miles (60 km) ENE of Rock Springs, Wyoming.
12 19 41 13.5 41.738 N 109.026 W 0 G 1.0 13 WYOMING. ML 2.3 (GS). 15 miles (20 km) NE of Rock Springs,
Wyoming.
14 19 07 12.8* 43.732 N 105.659 W 0 G 0.6 5 WYOMING. ML 2.7 (GS). 40 miles (60 km) NE of Midwest,
Wyoming.
16 17 14 26.6* 36.278 N 110.372 W 0 G 1.1 10 EASTERN ARIZONA. ML 2.3 (GS). 30 miles (50 km) SSW of
Kayenta, Arizona.
16 19 16 48.3 41.831 N 110.765 W 0 G 1.1 18 WYOMING. ML 2.2 (GS). 40 miles (60 km) NNE of Evanston,
Wyoming.
17 16 27 05.4 43.823 N 105.017 W 0 G 1.1 10 WYOMING. ML 3.1 (GS). 40 miles (60 km) SE of Gillette,
Wyoming.
18 18 46 26.4 41.710 N 110.798 W 0 G 0.9 17 WYOMING. ML 2.2 (GS). 30 miles (50 km) NNE of Evanston,
Wyoming.
18 19 02 38.6 41.676 N 108.877 W 0 G 1.5 15 WYOMING. ML 2.4 (GS). 15 miles (30 km) ENE of Rock Springs,
Wyoming.
18 20 42 41.8 40.602 N 109.564 W 0 G 1.2 12 UTAH. ML 2.5 (GS). 10 miles (20 km) N of Vernal, Utah.
23 18 38 33.8* 32.783 N 109.560 W 0 G 1.1 9 EASTERN ARIZONA. ML 2.7 (GS). 10 miles (10 km) ESE of
Safford, Arizona.
23 19 08 26.0* 43.697 N 104.861 W 0 G 1.4 12 WYOMING. ML 3.2 (GS). 35 miles WSW of Newcastle.
23 20 41 47.6* 36.582 N 108.430 W 5 G 0.7 6 NEW MEXICO. ML 2.7 (GS). 15 miles (20 km) SW of Farmington,
New Mexico.
23 21 50 07.4 37.900 N 81.565 W 0 G 1.0 8 WEST VIRGINIA. mbLg 2.9 (GS). 20 miles (40 km) WNW of
Beckley, West Virginia.
23 22 28 13.4 40.484 N 109.649 W 0 G 0.9 10 UTAH. ML 2.5 (GS). 5 miles (10 km) WNW of Vernal, Utah.
24 22 03 40.2* 32.658 N 109.192 W 0 G 1.5 10 EASTERN ARIZONA. ML 2.7 (GS). 30 miles (50 km) ESE of
Safford, Arizona.
25 17 59 05.7* 36.700 N 108.520 W 0 G 0.5 7 NEW MEXICO. ML 2.7 (GS). 15 miles (30 km) W of Farmington,
New Mexico.
25 22 05 21.7* 40.248 N 107.754 W 0 G 1.2 10 COLORADO. ML 2.7 (GS). 20 miles (30 km) SSW of Craig,
Colorado.
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