Bulletin: June 2004

U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  6-04-EXP
GEOLOGICAL SURVEY                                                                                        JUL 27, 2004
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                         JUNE 2004
 
 
  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                                               
 
05  18 03 11.4  43.787 N  105.182 W   0 G           A 1.1  117   22  WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
13  19 25 59.8  43.846 N  105.395 W   0 G           A 1.4  108   17  WYOMING. ML 3.2 (GS). 50 km (30 miles) S of Gillette.
20  18 04 36.5  43.773 N  105.276 W   0 G           A 1.0  106   18  WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
21  18 07 33.5  43.848 N  105.356 W   0 G           A 1.1  132   10  WYOMING. ML 2.9 (GS). 50 km (30 miles) SSE of Gillette.
21  20 06 22.6  43.811 N  105.270 W   0 G           A 1.0  128   24  WYOMING. ML 3.5 (GS). 60 km (35 miles) SSE of Gillette.
22  18 05 51.8  43.875 N  105.342 W   0 G           A 0.6  108   16  WYOMING. ML 3.4 (GS). 45 km (30 miles) SSE of Gillette.
                                                                      ML 3.4 (GS).
23  19 05 13.8  43.821 N  105.291 W   0 G           A 0.9  110   19  WYOMING. ML 3.4 (GS). 55 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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