Bulletin: May 1999
U.S. DEPARTMENT OF THE INTERIOR NO. 5-99-EXP
GEOLOGICAL SURVEY DEC 8, 1999
PROBABLE MINING EXPLOSIONS IN THE UNITED STATES
MAY 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 16 59 57.0 40.535 N 112.186 W 0 G 0.9 19 UTAH. ML 2.6 (GS). 5 miles (10 km) E of Tooele, Utah.
07 01 32 59.9* 43.993 N 105.373 W 0 G 1.1 7 WYOMING. ML 2.6 (GS). 20 miles (30 km) SSE of Gillette,
Wyoming.
07 19 15 08.8 43.558 N 105.087 W 0 G 1.0 12 WYOMING. ML 3.4 (GS). 50 miles (80 km) WSW of Newcastle,
Wyoming.
07 20 21 17.5* 43.581 N 105.234 W 0 G 1.0 6 WYOMING. ML 2.9 (GS). 50 miles (80 km) SSE of Gillette,
Wyoming.
08 22 07 22.0 40.336 N 107.823 W 0 G 0.8 15 COLORADO. ML 2.5 (GS). 20 miles (30 km) SW of Craig,
Colorado.
09 15 37 26.0 40.507 N 112.162 W 0 G 1.1 11 UTAH. ML 2.5 (GS). 10 miles (10 km) E of Tooele, Utah.
11 19 23 54.5 40.521 N 112.204 W 0 G 0.7 14 UTAH. ML 2.5 (GS). Near Tooele, Utah.
12 21 04 07.6 40.514 N 112.168 W 0 G 0.5 14 UTAH. ML 2.4 (GS). 5 miles (10 km) E of Tooele, Utah.
14 22 33 44.6? 31.57 N 108.35 W 0 G 1.1 6 NEW MEXICO-CHIHUAHUA BORDER REG. 45 miles WSW of Columbus,
New Mexico.
15 00 25 32.7* 43.433 N 104.715 W 0 G 0.9 7 WYOMING. ML 2.8 (GS). 40 miles SW of Newcastle.
16 15 12 44.4 41.807 N 108.620 W 0 G 0.8 12 WYOMING. ML 2.5 (GS). 35 miles (50 km) ENE of Rock Springs,
Wyoming.
16 18 06 39.9 40.305 N 107.736 W 0 G 1.2 10 COLORADO. ML 2.5 (GS). 20 miles (30 km) SW of Craig,
Colorado.
19 17 17 42.7 41.828 N 108.732 W 0 G 1.4 11 WYOMING. ML 2.7 (GS). 30 miles (50 km) NE of Rock Springs,
Wyoming.
20 19 37 23.2 40.497 N 112.219 W 0 G 0.6 9 UTAH. ML 2.4 (GS). Near Tooele, Utah.
20 21 42 42.6* 40.631 N 109.519 W 0 G 0.4 6 UTAH. ML 2.7 (GS). 10 miles (20 km) N of Vernal, Utah.
22 19 44 56.7 40.529 N 112.147 W 0 G 0.9 15 UTAH. ML 2.4 (GS). 10 miles (10 km) E of Tooele, Utah.
23 17 33 45.9 41.812 N 108.721 W 0 G 1.4 11 WYOMING. ML 2.4 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
24 22 54 38.2 41.644 N 108.931 W 0 G 1.5 11 WYOMING. ML 2.4 (GS). 15 miles (20 km) ENE of Rock Springs,
Wyoming.
26 17 35 48.9 36.469 N 110.327 W 0 G 1.3 12 EASTERN ARIZONA. ML 2.6 (GS). 20 miles (30 km) SSW of
Kayenta, Arizona.
26 18 16 41.1 40.336 N 107.466 W 0 G 0.6 9 COLORADO. ML 2.4 (GS). 15 miles (20 km) SSE of Craig,
Colorado.
26 18 35 30.8 41.765 N 108.636 W 0 G 1.0 12 WYOMING. ML 2.5 (GS). 30 miles (50 km) ENE of Rock Springs,
Wyoming.
26 19 42 33.4 41.735 N 110.693 W 0 G 0.7 13 WYOMING. ML 2.1 (GS). 35 miles (60 km) NNE of Evanston,
Wyoming.
26 21 18 43.7 40.619 N 109.609 W 0 G 1.0 13 UTAH. ML 2.5 (GS). 10 miles (20 km) NW of Vernal, Utah.
27 15 52 10.2* 36.679 N 108.616 W 0 G 1.1 7 NEW MEXICO. ML 2.7 (GS). 20 miles (40 km) W of Farmington,
New Mexico.
27 18 49 57.9 41.590 N 108.829 W 0 G 0.9 11 WYOMING. ML 2.9 (GS). 20 miles (30 km) E of Rock Springs,
Wyoming.
27 21 00 11.4 40.426 N 107.544 W 0 G 1.2 14 COLORADO. ML 2.9 (GS). Near Craig, Colorado.
28 17 19 33.4* 36.687 N 108.436 W 0 G 0.8 6 NEW MEXICO. ML 2.6 (GS). 10 miles (20 km) WSW of Farmington,
New Mexico.
28 22 19 56.9? 43.41 N 105.30 W 0 G 1.1 9 WYOMING. ML 3.0 (GS). 45 miles (70 km) N of Douglas, Wyoming.
30 22 06 47.8 40.278 N 107.742 W 0 G 1.2 16 COLORADO. ML 3.1 (GS). 20 miles (30 km) SW of Craig,
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.
Routine U.S. Mining Seismicity Home Page | Goal and Scope of the Bulletin | Evidence used in Identifying Routine Mining Seismicity | Explanation of Catalog Listings | Mining Seismicity Source Regions
