Magnitude 2.5 Earthquake WESTERN MONTANA 2012 August 17

2012 August 17 11:22:11 UTC: WESTERN MONTANA EARTHQUAKE

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Magnitude: 2.5

Date-Time: Friday, August 17, 2012 at 11:22:11 UTC

Friday, August 17, 2012 at 05:22:11 AM at epicenter

Earthquake data:

Location : 46.287°N, 110.947°W

Depth : 8.8 km (5.5 miles)

Region : WESTERN MONTANA

Distances:

a)29 km (18 miles) S (187°) from White Sulphur Springs, MT

b)40 km (25 miles) ENE (71°) from Toston, MT

c)511 km (318 miles) NE (53°) from Boise, ID

d)620 km (385 miles) N (7°) from Salt Lake City, UT

Location Uncertainty:horizontal +/- 0.6 km (0.4 miles); depth +/- 0.8 km (0.5 miles)

Parameters: NST= 48, Nph= 48, Dmin=25.3 km, Rmss=0.25 sec, Gp= 94°, M-type=duration magnitude (Md), Version=2