Bulletin: March 2012

 
U.S. DEPARTMENT OF THE INTERIOR                                                                         NO.  3-12-EXP
GEOLOGICAL SURVEY                                                                                        MAY 30, 2012
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
                                                         MARCH 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  22 53 58.4* 46.052 N  107.035 W   0 G           B 1.4   90    6  EASTERN MONTANA. ML 2.7 (GS). 31 km (19 miles) SSE of
                                                                      Hysham.
03  14 39 10.4* 44.528 N  105.673 W   0 G           B 2.7   64   11  WYOMING. mbLg 2.7 (GS). 30 km (18 miles) NNW of
                                                                      Gillette.
05  22 35 52.8? 44.03  N  105.36  W   0 G           C 0.9  151    5  WYOMING. mbLg 2.6 (GS). 31 km (19 miles) SSE of
                                                                      Gillette.
06  19 02 19.6  43.625 N  105.308 W   0 G           A 1.7   75   17  WYOMING. ML 3.2 (GS). 76 km (47 miles) SSE of Gillette.
09  01 08 34.8  42.890 N  111.174 W   0 G           A 0.8   57   20  SOUTHERN IDAHO. ML 2.8 (GS). 27 km (17 miles) NW of
                                                                      Afton.
12  18 07 38.4  43.811 N  105.253 W   0 G           A 0.9   51   48  WYOMING. mbLg 2.9 (GS). 57 km (35 miles) SSE of
                                                                      Gillette.
12  20 08 29.6  43.565 N  105.462 W   0 G           A 0.9  138   54  WYOMING. mbLg 2.9 (GS). ML 3.7 (GS). 68 km (42 miles)
                                                                      ENE of Midwest.
12  23 36 22.8* 44.112 N  105.509 W   0 G           B 1.1  118    6  WYOMING. mbLg 2.4 (GS). 16 km (10 miles) S of Gillette.
13  21 05 18.2  43.632 N  105.180 W   0 G           A 0.6   78   17  WYOMING. mbLg 2.9 (GS). 77 km (48 miles) SSE of
                                                                      Gillette.
15  18 05 03.0  43.752 N  105.186 W   0 G           A 1.1  147   19  WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette.
15  20 06 23.5  43.753 N  105.180 W   0 G           A 1.2   52   48  WYOMING. ML 3.6 (GS). 65 km (40 miles) SSE of Gillette.
17  18 06 04.2  43.748 N  105.199 W   0 G           A 1.2   74   29  WYOMING. ML 3.3 (GS). 65 km (40 miles) SSE of Gillette.
22  17 08 20.0* 43.380 N  105.075 W   0 G           B 0.6  190    8  WYOMING. ML 3.0 (GS). 73 km (46 miles) NNE of Douglas.
22  18 23 08.8  43.779 N  105.157 W   0 G           A 1.0   72   16  WYOMING. ML 3.0 (GS). 63 km (39 miles) SSE of Gillette.
22  21 52 23.3  41.737 N  108.632 W   0 G           A 1.0   70   25  WYOMING. ML 2.9 (GS). 50 km (31 miles) ENE of Rock
                                                                      Springs.
24  15 57 29.2  43.895 N  105.365 W   0 G           A 1.4   88   11  WYOMING. mbLg 2.9 (GS). 45 km (28 miles) SSE of
                                                                      Gillette.
27  17 21 43.0  44.132 N  105.309 W   0 G           A 1.0   51   44  WYOMING. ML 3.3 (GS). 23 km (15 miles) SE of Gillette.
27  18 25 56.3* 33.956 N   83.341 W   0 G           B 1.0  157    8  GEORGIA, USA. mbLg 2.0 (GS). 4 km (2 miles) E of
                                                                      Athens. Felt (III) at Athens.
27  21 41 23.1* 43.529 N  105.108 W   0 G           B 1.0   85    9  WYOMING. mbLg 3.0 (GS). 78 km (48 miles) WSW of
                                                                      Newcastle.
30  19 48 12.4  36.474 N  110.488 W   0 G           A 1.2   78   12  ARIZONA. ML 2.6 (GS). 35 km (22 miles) SW of Kayenta.
 

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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