Bulletin: February 2008
U.S. DEPARTMENT OF THE INTERIOR NO. 8-121-EXP
GEOLOGICAL SURVEY APR 30, 2008
ROUTINE MINING SEISMICITY IN THE UNITED STATES
ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE Q SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS
UTC COORDINATES GS STA
DAY HR MN SEC LAT LONG mb MS USED
FEB 2008
01 19 07 50.9 43.695 N 105.190 W 0 G A 1.1 119 24 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette.
01 21 25 07.0 43.811 N 105.202 W 0 G A 1.0 70 21 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
02 19 10 15.1 43.703 N 105.181 W 0 G A 1.2 75 25 WYOMING. ML 3.3 (GS). 70 km (45 miles) SSE of Gillette.
04 19 06 32.7 43.740 N 105.236 W 0 G A 1.0 72 19 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette.
05 19 28 22.8 43.793 N 105.277 W 0 G A 1.0 69 19 WYOMING. ML 3.2 (GS). 60 km (35 miles) SSE of Gillette.
09 21 02 16.0 43.739 N 105.220 W 0 G A 1.0 73 34 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette.
11 21 06 17.7 43.802 N 105.221 W 0 G A 0.9 70 18 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
13 22 02 52.7 43.477 N 105.205 W 0 G A 1.0 83 16 WYOMING. ML 3.1 (GS). 80 km (50 miles) N of Douglas.
15 16 01 49.1* 37.864 N 81.485 W 0 G B 1.5 93 6 WEST VIRGINIA. mbLg 2.9 (GS). 30 km (15 miles) WNW of
Beckley.
15 20 00 55.7 43.592 N 105.113 W 0 G A 1.0 82 22 WYOMING. ML 3.3 (EXP). 80 km (50 miles) WSW of
Newcastle.
15 21 08 56.8 43.736 N 105.207 W 0 G A 1.0 73 28 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette.
16 00 17 29.7* 43.794 N 105.281 W 0 G B 0.9 114 8 WYOMING. ML 2.9 (GS). 60 km (35 miles) SSE of Gillette.
16 21 01 35.9 43.754 N 105.296 W 0 G A 1.0 70 26 WYOMING. ML 3.0 (GS). 60 km (40 miles) SSE of Gillette.
18 21 04 54.6* 44.024 N 105.265 W 0 G B 2.1 99 16 WYOMING. ML 2.7 (GS). 35 km (20 miles) SSE of Gillette.
18 23 00 30.1 43.628 N 105.275 W 0 G A 1.4 51 40 WYOMING. ML 3.0 (GS). 75 km (45 miles) SSE of Gillette.
22 22 07 00.8 43.755 N 105.261 W 0 G A 0.9 51 17 WYOMING. ML 2.9 (GS). 65 km (40 miles) SSE of Gillette.
24 18 15 25.8? 44.08 N 105.43 W 0 G C 1.0 136 5 WYOMING. ML 2.5 (GS). 25 km (15 miles) SSE of Gillette.
24 21 03 11.1 43.812 N 105.213 W 0 G A 0.9 51 36 WYOMING. ML 3.1 (GS). 60 km (35 miles) SSE of Gillette.
27 23 43 15.0 43.725 N 105.257 W 0 G A 0.5 96 18 WYOMING. ML 2.6 (GS). 65 km (40 miles) SSE of Gillette.
28 17 05 35.4 45.180 N 106.824 W 0 G A 1.2 65 24 EASTERN MONTANA. ML 2.8 (GS). 45 km (30 miles) NNE of
Sheridan.
29 23 39 15.5 43.817 N 105.209 W 0 G A 1.0 51 34 WYOMING. ML 2.9 (GS). 60 km (35 miles) SSE of Gillette.
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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