Magnitude 2.9 Earthquake of WESTERN MONTANA USA 2012 September 15

2012 September 15 12:21:39 UTC: WESTERN MONTANA USA EARTHQUAKE

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Magnitude: 2.9

Date-Time: Saturday, September 15, 2012 at 12:21:39 UTC

Saturday, September 15, 2012 at 06:21:39 AM at epicenter

Earthquake data:

Location : 46.366°N, 111.049°W

Depth : 8 km (5.0 miles)

Region : WESTERN MONTANA

Distances:

a)23 km (14 miles) SSW (209°) from White Sulphur Springs, MT

b)37 km (23 miles) NE (55°) from Toston, MT

c)504 km (313 miles) ESE (104°) from Spokane, WA

d)628 km (390 miles) N (6°) from Salt Lake City, UT

Location Uncertainty: horizontal +/- 0.5 km (0.3 miles); depth +/- 0.6 km (0.4 miles)

Parameters: NST= 56, Nph= 56, Dmin=27 km, Rmss=0.2 sec, Gp= 90°, M-type=duration magnitude (Md), Version=2