Magnitude 2.8 Earthquake of WYOMING 2011 December 07

2011 December 07 20:55:05 UTC: WYOMING

Magnitude: 2.8

Date-Time : Wednesday, December 07, 2011 at 20:55:05 UTC
Wednesday, December 07, 2011 at 01:55:05 PM at epicenter

Location : 43.649°N, 108.267°W

Depth : 1.7 km (1.1 miles) (poorly constrained)

Region : WYOMING

aDistances:

a) 4 km (3 miles) W (275°) from Thermopolis, WY

b) 11 km (7 miles) SW (225°) from Lucerne, WY

c) 433 km (269 miles) NW (324°) from Fort Collins, CO

d) 439 km (273 miles) NE (42°) from Salt Lake City, UT

Location Uncertainty: horizontal +/- 2.1 km (1.3 miles); depth +/- 4.1 km (2.5 miles)

Parameters : NST= 17, Nph= 17, Dmin=142.5 km, Rmss=0.42 sec, Gp=130°, M-type=duration magnitude (Md), Version=2