Bulletin: September 2010

 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  9-10-EXP
GEOLOGICAL SURVEY                                                                                        NOV 12, 2010
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                       SEPTEMBER 2010
 
 
  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                                                
 
09  18 06 33.7  43.797 N  105.192 W   0 G           A 1.1   51   35  WYOMING. ML 3.2 (GS). 60 km (35 miles) SSE of Gillette.
10  19 09 31.4  43.710 N  105.107 W   0 G           A 1.6   96   36  WYOMING. ML 3.1 (GS). 70 km (45 miles) SSE of Gillette.
13  23 05 50.7  33.095 N  111.063 W   0 G           A 0.7  132   10  ARIZONA. ML 2.8 (GS). 30 km (20 miles) ENE of Florence.
26  22 20 30.8  33.424 N  111.246 W   0 G           A 1.2   99   16  ARIZONA. ML 2.9 (GS). 30 km (20 miles) E of Apache
                                                                      Junction. {Note added January 28, 2011:  this event is
                                                                      now cataloged as an earthquake by the USGS.  Its revised
                                                                      epicenter and magnitude are available through the 
                                                                      "Earthquake Search" web-site at 
                                                                      http://earthquake.usgs.gov/earthquakes/eqarchives/epic/}   
 

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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