U.S. DEPARTMENT OF THE INTERIOR                                                                         NO. 9-045-EXP
GEOLOGICAL SURVEY                                                                                        FEB 14, 2009
 
                                      ROUTINE MINING SEISMICITY IN THE UNITED STATES
 
 
  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                                                
 
DEC 2008
01  20 06 51.7  43.793 N  105.222 W   0 G           A 1.1   51   54  WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette.
06  19 11 36.9  43.797 N  105.262 W   0 G           A 1.2   50   58  WYOMING. ML 3.3 (GS). 60 km (35 miles) SSE of Gillette.
06  21 07 11.5  43.740 N  105.180 W   0 G           A 1.0   74   16  WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette.
06  22 00 20.7  43.591 N  105.288 W   0 G           A 1.0   50   35  WYOMING. ML 3.2 (GS). 80 km (50 miles) SSE of Gillette.
08  19 07 25.8* 43.461 N  105.082 W   0 G           B 3.1  134   35  WYOMING. ML 3.1 (GS). 85 km (50 miles) WSW of Newcastle.
13  22 38 58.9  43.680 N  105.215 W   0 G           A 1.3   75   22  WYOMING. ML 2.8 (GS). 70 km (45 miles) SSE of Gillette.
19  18 29 03.0  45.103 N  106.707 W   0 G           A 1.2   65   41  EASTERN MONTANA. ML 3.1 (GS). 40 km (25 miles) NNE of
                                                                      Sheridan.
20  18 05 11.1  43.464 N  105.045 W   0 G           A 1.3  140   23  WYOMING. ML 3.1 (GS). 80 km (50 miles) WSW of Newcastle.
22  23 24 49.7  44.500 N  105.439 W   0 G           A 1.1   98   20  WYOMING. ML 2.8 (GS). 25 km (15 miles) NNE of Gillette.
23  21 28 39.9  43.669 N  105.232 W   0 G           A 0.9  120   21  WYOMING. ML 3.0 (GS). 75 km (45 miles) SSE of Gillette.
31  18 01 42.6  43.342 N  105.092 W   0 G           A 1.5   52   34  WYOMING. ML 3.4 (GS). 70 km (45 miles) NNE of Douglas.
JAN 2009
02  19 00 47.6  43.743 N  105.243 W   0 G           A 1.3   51   33  WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette.
06  18 37 49.1? 44.40  N  105.45  W   0 G           C 4.4   48   22  WYOMING. ML 3.0 (GS). 15 km (10 miles) NNE of Gillette.
07  20 01 36.7  43.525 N  105.152 W   0 G           A 1.1  100   25  WYOMING. ML 3.2 (GS). 85 km (55 miles) WSW of Newcastle.
07  21 08 19.1  43.527 N  105.124 W   0 G           A 0.8  168   20  WYOMING. ML 3.1 (GS). 85 km (50 miles) WSW of Newcastle.
08  18 19 30.5? 40.59  N  112.30  W   0 G           C 4.6   68   14  UTAH. ML 2.0 (GS). NEAR Tooele.
10  17 02 37.0  43.733 N  105.275 W   0 G           A 0.8   75   33  WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette.
10  19 23 02.3  44.044 N  105.327 W   0 G           A 1.2   50   27  WYOMING. ML 3.1 (GS). 30 km (20 miles) SSE of Gillette.
11  21 10 53.8? 44.12  N  105.21  W   0 G           C 0.8  289   10  WYOMING. ML 3.0 (GS). 30 km (20 miles) SE of Gillette.
11  22 06 31.4  43.734 N  105.241 W   0 G           A 0.8   96   27  WYOMING. ML 3.0 (GS). 65 km (40 miles) SSE of Gillette.
12  21 09 47.6  43.729 N  105.242 W   0 G           A 0.9   73   25  WYOMING. ML 3.2 (GS). 65 km (40 miles) SSE of Gillette.
15  21 07 37.4  43.634 N  105.245 W   0 G           A 1.8   95   34  WYOMING. ML 3.2 (GS). 75 km (45 miles) SSE of Gillette.
17  21 20 09.2  43.788 N  105.249 W   0 G           A 0.9   72   27  WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette.
19  21 42 07.4  44.966 N  106.777 W   0 G           A 0.8  138   26  WYOMING. ML 2.6 (GS). 25 km (15 miles) NNE of Sheridan.
19  22 17 42.0  43.799 N  105.213 W   0 G           A 0.9   77   40  WYOMING. ML 3.1 (GS). 60 km (35 miles) SSE of Gillette.
21  21 17 53.4  43.615 N  105.220 W   0 G           A 1.1   96   47  WYOMING. ML 3.3 (GS). 80 km (50 miles) SSE of Gillette.
24  21 03 50.7  43.691 N  105.206 W   0 G           A 0.9   51   44  WYOMING. ML 3.4 (GS). 70 km (45 miles) SSE of Gillette.
26  21 07 34.3  43.669 N  105.189 W   0 G           A 1.1   51   38  WYOMING. ML 3.4 (GS). 75 km (45 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.