Bulletin: July 2012
U.S. DEPARTMENT OF THE INTERIOR NO. 7-12-EXP
GEOLOGICAL SURVEY OCT 4, 2012
ROUTINE MINING SEISMICITY IN THE UNITED STATES
JULY 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
04 19 03 41.9 43.780 N 105.247 W 0 G A 1.1 51 19 WYOMING. ML 3.2 (GS). 60 km (38 miles) SSE of Gillette.
06 16 11 49.1 43.951 N 105.410 W 0 G A 1.5 102 11 WYOMING. ML 2.9 (GS). 39 km (24 miles) S of Gillette.
06 17 22 01.3* 45.951 N 106.795 W 0 G B 1.5 121 6 EASTERN MONTANA. ML 2.8 (GS). 15 km (9 miles) WNW of
Colstrip.
06 20 13 09.3 43.784 N 105.307 W 0 G A 1.2 50 22 WYOMING. ML 3.6 (GS). 58 km (36 miles) SSE of Gillette.
06 23 36 55.8 43.701 N 104.931 W 0 G A 1.5 84 10 WYOMING. ML 2.9 (GS). 75 km (46 miles) WSW of Newcastle.
08 19 14 25.4* 43.625 N 105.294 W 0 G B 1.8 75 10 WYOMING. ML 3.1 (GS). 76 km (47 miles) SSE of Gillette.
08 21 05 02.8 43.763 N 105.245 W 0 G A 1.0 26 84 WYOMING. ML 3.7 (GS). 64 km (40 miles) SSE of Gillette.
09 17 58 21.1* 41.102 N 112.794 W 0 G B 1.0 119 8 UTAH. ML 1.7 (GS). 70 km (44 miles) W of Ogden.
11 18 00 07.1 43.844 N 105.198 W 0 G A 0.8 68 10 WYOMING. ML 3.2 (GS). 55 km (34 miles) SSE of Gillette.
23 17 42 01.2* 41.003 N 112.782 W 0 G B 1.4 153 6 UTAH. ML 1.8 (GS). 66 km (41 miles) NW of Tooele.
29 18 19 38.9 43.884 N 105.284 W 0 G A 1.2 61 21 WYOMING. ML 3.5 (GS). 48 km (30 miles) SSE of Gillette.
29 21 58 23.8 40.717 N 112.537 W 0 G A 1.2 129 18 UTAH. ML 2.6 (GS). 29 km (18 miles) NW of Tooele.
30 19 04 59.5* 40.963 N 112.879 W 0 G B 1.3 119 7 UTAH. ML 1.8 (GS). 67 km (41 miles) NW of Tooele.
31 17 28 34.5? 41.01 N 112.55 W 0 G C 0.4 142 4 UTAH. ML 1.4 (GS). 54 km (33 miles) WSW of Ogden.
31 20 01 50.5 43.708 N 105.269 W 0 G A 1.0 51 56 WYOMING. ML 3.4 (GS). 67 km (42 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.
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

