Bulletin: October 2003
U.S. DEPARTMENT OF THE INTERIOR NO. 10-03-EXP GEOLOGICAL SURVEY DEC 4, 2003 ROUTINE MINING SEISMICITY IN THE UNITED STATES OCTOBER 2003 ORIGIN TIME GEOGRAPHIC DEPTH MAGNITUDE SD GAP NO. F-E REGION, CONTRIBUTED MAGNITUDES AND COMMENTS UTC COORDINATES GS STA DAY HR MN SEC LAT LONG mb MS USED 01 21 04 55.6 43.697 N 105.273 W 0 G 0.9 119 14 WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette. 03 20 03 56.8 43.775 N 105.288 W 0 G 0.7 132 9 WYOMING. ML 3.1 (GS). 60 km (35 miles) SSE of Gillette. 04 19 25 08.3* 43.604 N 105.146 W 0 G 1.1 166 15 WYOMING. mbLg 2.5 (GS). 80 km (50 miles) WSW of Newcastle. 11 18 22 39.0 43.738 N 105.249 W 0 G 1.5 118 15 WYOMING. 65 km (40 miles) SSE of Gillette. 13 21 00 07.1? 43.20 N 104.55 W 0 G 4.3 179 11 WYOMING. mbLg 3.0 (GS). 80 km (50 miles) SSW of Newcastle. 15 20 07 30.9 43.809 N 105.280 W 0 G 1.0 111 26 WYOMING. ML 3.5 (GS). 60 km (35 miles) SSE of Gillette. 17 21 45 42.2* 44.070 N 105.524 W 0 G 0.5 153 5 WYOMING. ML 3.0 (GS). 25 km (15 miles) S of Gillette. 18 18 04 20.1 43.703 N 105.177 W 0 G 1.4 119 28 WYOMING. 70 km (45 miles) SSE of Gillette. 26 00 52 16.6 40.479 N 106.924 W 1 G 0.8 94 12 COLORADO. ML 3.2 (GS). ML 3.2 (GS). Mining related event near Steamboat Springs.
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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