Bulletin: February 2006

U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  2-06-EXP
GEOLOGICAL SURVEY                                                                                        APR 26, 2006
ROUTINE MINING SEISMICITY IN THE UNITED STATES FEBRUARY 2006
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 04 18 31 46.1 43.547 N 105.214 W 0 G A 0.9 96 21 WYOMING. ML 3.1 (GS). 85 km (55 miles) SSE of Gillette. 06 19 06 27.5 43.686 N 105.098 W 0 G A 1.1 125 19 WYOMING. ML 3.2 (GS). 75 km (45 miles) WSW of Newcastle. 07 18 56 28.1 36.557 N 108.486 W 0 G A 1.0 97 13 NEW MEXICO. ML 3.3 (GS). 35 km (20 miles) SW of Farmington. 09 19 59 43.1 43.660 N 105.152 W 0 G A 1.2 125 14 WYOMING. ML 3.3 (GS). 75 km (45 miles) SSE of Gillette. 12 19 04 14.9 43.708 N 105.156 W 0 G A 0.8 122 27 WYOMING. ML 3.2 (GS). 70 km (45 miles) SSE of Gillette. 14 19 20 58.3 43.729 N 105.221 W 0 G A 1.0 119 24 WYOMING. ML 3.1 (GS). 65 km (40 miles) SSE of Gillette. 16 20 06 20.1 43.657 N 105.111 W 0 G A 1.2 126 14 WYOMING. ML 3.2 (GS). 75 km (45 miles) SSE of Gillette. 18 22 31 30.7 43.592 N 105.167 W 0 G A 0.9 80 28 WYOMING. ML 3.1 (GS). 80 km (50 miles) SSE of Gillette. 18 23 00 12.5 40.179 N 108.086 W 0 G A 0.9 102 11 COLORADO. ML 2.5 (GS). 20 km (15 miles) NW of Meeker. 19 21 28 30.7 44.117 N 105.302 W 0 G A 1.2 93 30 WYOMING. ML 3.1 (GS). 25 km (15 miles) SSE of Gillette. 21 23 08 25.3? 40.98 N 107.46 W 0 G C 1.1 214 4 COLORADO. ML 2.8 (GS). 50 km (35 miles) N of Craig.

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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