Bulletin: September 2004
U.S. DEPARTMENT OF THE INTERIOR NO. 4-294-EXP
GEOLOGICAL SURVEY OCT 20, 2004
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
SEP 2004
03 18 53 48.7 43.828 N 105.253 W 0 G A 1.0 112 22 WYOMING. ML 3.0 (GS). 55 km (35 miles) SSE of Gillette.
08 20 07 41.1 43.762 N 105.227 W 0 G A 1.0 115 26 WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette.
19 18 06 33.7 43.708 N 105.213 W 0 G A 1.1 120 17 WYOMING. ML 3.3 (GS). 70 km (45 miles) SSE of Gillette.
19 18 15 33.9 43.727 N 105.240 W 0 G A 0.8 118 17 WYOMING. ML 3.1 (GS). 65 km (40 miles) SSE of Gillette.
20 18 03 12.0 43.750 N 105.232 W 0 G A 0.7 115 31 WYOMING. ML 3.4 (GS). 65 km (40 miles) SSE of Gillette.
21 18 07 17.1 43.725 N 105.280 W 0 G A 0.8 156 10 WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette.
23 18 05 44.7 43.776 N 105.323 W 0 G A 0.8 112 22 WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
30 18 05 56.6 43.662 N 105.217 W 0 G A 1.1 120 30 WYOMING. ML 3.3 (GS). 75 km (45 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.
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

