Bulletin: March 2009
U.S. DEPARTMENT OF THE INTERIOR NO. 3-09-EXP
GEOLOGICAL SURVEY MAY 14, 2009
ROUTINE MINING SEISMICITY IN THE UNITED STATES
MARCH 2009
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 21 01 39.6 43.737 N 105.213 W 0 G A 0.9 51 31 WYOMING. ML 3.3 (GS). 70 km (40 miles) SSE of Gillette.
03 00 13 04.2 43.730 N 105.300 W 0 G A 0.9 129 16 WYOMING. ML 2.8 (GS). 65 km (40 miles) SSE of Gillette.
03 20 04 21.7 43.559 N 105.297 W 0 G A 1.3 78 22 WYOMING. ML 3.1 (GS). 80 km (50 miles) ENE of Midwest.
04 17 53 40.8 43.667 N 105.148 W 0 G A 1.4 98 21 WYOMING. ML 2.8 (GS). 75 km (45 miles) SSE of Gillette.
04 21 04 58.5 43.665 N 105.220 W 0 G A 1.3 51 34 WYOMING. ML 3.1 (GS). 75 km (45 miles) SSE of Gillette.
05 19 31 54.6 43.908 N 105.162 W 0 G A 1.1 74 18 WYOMING. ML 3.4 (GS). 50 km (30 miles) SE of Gillette.
ML 3.4 (GS).
06 21 02 24.4 43.821 N 105.139 W 0 G A 1.2 52 42 WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette.
13 19 09 45.7 43.617 N 105.144 W 0 G A 1.3 80 33 WYOMING. ML 3.0 (GS). 80 km (50 miles) WSW of Newcastle.
13 20 17 07.1 44.551 N 105.337 W 0 G A 1.0 69 19 WYOMING. ML 2.9 (GS). 30 km (20 miles) NNE of Gillette.
14 18 05 13.8 43.817 N 105.205 W 0 G A 0.8 51 61 WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette.
16 16 57 51.2* 45.635 N 106.412 W 0 G B 1.9 103 10 EASTERN MONTANA. ML 2.6 (GS). 35 km (20 miles) SSE of
Colstrip.
16 18 02 23.8 43.661 N 105.331 W 0 G A 1.8 50 42 WYOMING. ML 3.3 (GS). 70 km (45 miles) S of Gillette.
16 20 49 01.2* 45.318 N 106.822 W 0 G B 1.3 127 10 EASTERN MONTANA. ML 2.4 (GS). 60 km (35 miles) N of
Sheridan.
19 16 35 21.1 43.483 N 105.278 W 0 G A 1.2 53 26 WYOMING. ML 2.9 (GS). 80 km (50 miles) E of Midwest.
20 17 08 56.1 43.575 N 105.290 W 0 G A 1.1 50 41 WYOMING. ML 3.3 (GS). 80 km (50 miles) SSE of Gillette.
20 18 02 57.7 43.795 N 105.252 W 0 G A 0.8 51 49 WYOMING. ML 3.4 (GS). 60 km (35 miles) SSE of Gillette.
28 21 00 11.1 43.777 N 105.293 W 0 G A 0.8 51 22 WYOMING. ML 3.1 (GS). 60 km (35 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
