Bulletin: January 2012

 
 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  1-12-EXP
GEOLOGICAL SURVEY                                                                                        MAR 26, 2012
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                        JANUARY 2012
 
 
  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                                                
 
01  20 03 18.1* 43.606 N  104.946 W   0 G           B 1.1  121    8  WYOMING. mbLg 2.8 (GS). 66 km (41 miles) WSW of
                                                                      Newcastle.
02  21 44 03.4* 44.194 N  105.356 W   0 G           B 0.6  107    7  WYOMING. mbLg 2.5 (GS). 15 km (9 miles) SE of Gillette.
03  21 03 17.8  43.613 N  105.256 W   0 G           A 0.9   77   16  WYOMING. mbLg 2.8 (GS). 79 km (49 miles) SSE of
                                                                      Gillette.
04  20 59 56.5  43.668 N  105.197 W   0 G           A 1.3   76   17  WYOMING. ML 3.3 (GS). 73 km (46 miles) SSE of Gillette.
05  20 29 15.3  43.661 N  105.238 W   0 G           A 1.2   75   14  WYOMING. ML 3.1 (GS). 73 km (45 miles) SSE of Gillette.
05  23 13 30.3  43.703 N  105.276 W   0 G           A 1.0   51   18  WYOMING. ML 3.1 (GS). 67 km (42 miles) SSE of Gillette.
06  21 04 43.7* 43.764 N  105.151 W   0 G           B 1.4  147   10  WYOMING. ML 3.1 (GS). 66 km (41 miles) SSE of Gillette.
10  19 05 39.4  43.724 N  105.164 W   0 G           A 1.1   48   51  WYOMING. ML 3.4 (GS). 68 km (43 miles) SSE of Gillette.
10  21 10 07.9  43.756 N  105.194 W   0 G           A 1.0   79   15  WYOMING. mbLg 2.9 (GS). 66 km (41 miles) SSE of
                                                                      Gillette.
15  21 33 47.7  43.566 N  105.258 W   0 G           A 1.1   51   24  WYOMING. ML 3.3 (GS). 82 km (51 miles) SSE of Gillette.
16  21 02 28.0  43.782 N  105.310 W   0 G           A 0.7   68   16  WYOMING. mbLg 3.1 (GS). 60 km (37 miles) SSE of
                                                                      Gillette.
18  19 09 38.2  43.747 N  105.320 W   0 G           A 1.3   50   15  WYOMING. ML 3.2 (GS). 62 km (39 miles) SSE of Gillette.
21  21 39 35.7* 43.503 N  105.123 W   0 G           B 1.1  179    7  WYOMING. ML 2.6 (GS). 84 km (52 miles) WSW of Newcastle.
24  20 21 09.8  44.082 N  105.318 W   0 G           A 1.2   49   15  WYOMING. ML 2.9 (GS). 28 km (17 miles) SSE of Gillette.
24  21 13 22.1  44.028 N  105.332 W   0 G           A 0.8   74   14  WYOMING. mbLg 2.8 (GS). 33 km (20 miles) SSE of
                                                                      Gillette.
24  21 35 52.2  43.736 N  105.251 W   0 G           A 0.7   50   21  WYOMING. mbLg 3.2 (GS). 65 km (40 miles) SSE of
                                                                      Gillette.
25  21 41 57.9* 45.924 N  106.506 W   0 G           B 0.7  106    9  EASTERN MONTANA. mbLg 2.7 (GS). 10 km (6 miles) ENE of
                                                                      Colstrip.
26  19 42 48.4* 46.156 N  106.965 W   0 G           B 1.0   78    9  EASTERN MONTANA. ML 2.7 (GS). 25 km (16 miles) WSW of
                                                                      Forsyth.
26  21 01 27.5  43.896 N  104.631 W   0 G           A 1.1   83   10  WYOMING. ML 2.9 (GS). 35 km (22 miles) W of Newcastle.
28  19 12 32.2  43.790 N  105.211 W   0 G           A 1.0   51   21  WYOMING. ML 3.2 (GS). 60 km (38 miles) SSE of Gillette.
29  22 05 22.3  43.707 N  105.093 W   0 G           A 1.1   52   40  WYOMING. ML 3.2 (GS). 74 km (46 miles) WSW of Newcastle.
30  18 40 57.7  43.625 N  105.216 W   0 G           A 0.9   78   11  WYOMING. ML 2.7 (GS). 76 km (47 miles) SSE of Gillette.
30  19 07 23.8  43.399 N  104.930 W   0 G           A 1.0  100   10  WYOMING. ML 3.0 (GS). 78 km (49 miles) SW of Newcastle.
31  20 28 38.3  43.547 N  105.221 W   0 G           A 1.4   80   13  WYOMING. ML 2.8 (GS). 86 km (53 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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