Bulletin: December 2002

U.S. DEPARTMENT OF THE INTERIOR                                                                         NO. 12-02-EXP
GEOLOGICAL SURVEY                                                                                        JAN 31, 2003
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                       DECEMBER 2002
 
 
  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                                                
 
04  19 01 55.6  43.731 N  105.291 W    0 G           0.8  159   11  WYOMING. ML 3.2 (GS). 40 miles (65 km) SSE of Gillette.
06  19 07 48.0  43.795 N  105.312 W    0 G           1.3  111   13  WYOMING. ML 3.5 (GS). 35 miles (55 km) SSE of Gillette.
08  19 53 53.2* 45.204 N  106.863 W    0 G           1.4  181    8  EASTERN MONTANA. ML 2.6 (GS).  
09  21 19 43.3* 44.157 N  105.195 W    0 G           1.3  241   17  WYOMING. ML 3.4 (GS). 20 miles (30 km) ESE of Gillette.
10  19 25 24.6* 43.649 N  105.173 W    0 G           1.1  134    8  WYOMING. ML 3.2 (GS). 45 miles (75 km) SSE of Gillette.
13  22 09 43.8  43.717 N  105.301 W    0 G           0.8  120   23  WYOMING. ML 3.2 (GS).
17  19 02 49.3  43.713 N  105.265 W    0 G           0.9  140    9  WYOMING. mbLg 3.0 (GS). 40 miles (65 km) SSE of
                                                                     Gillette.
20  19 17 17.5  43.750 N  105.291 W    0 G           0.8  132   13  WYOMING. ML 3.3 (GS).
21  19 00 29.0* 43.685 N  105.233 W    0 G           1.8  127    9  WYOMING. ML 2.9 (GS). 45 miles (70 km) SSE of Gillette.
24  21 04 18.8  43.708 N  105.187 W    0 G           1.3  128   11  WYOMING. ML 3.1 (GS). 45 miles (70 km) SSE of Gillette.
27  21 02 41.3  43.403 N  105.111 W    0 G           0.7  136   12  WYOMING. ML 3.2 (GS).
31  19 02 29.6* 36.972 N  104.774 W    0 G           1.2  101    5  NEW MEXICO. ML 3.9 (GS). 20 miles (30 km) west of Raton.
31  21 27 42.5* 43.549 N  105.240 W    0 G           1.4  128    8  WYOMING. ML 3.2 (GS). 55 miles (85 km) 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