2017-09-25 09:34:17 (M2.9) western Montana 46.9 -112.5 (90be5)

M2.9 - western Montana

Preliminary Earthquake Report

Magnitude	2.9
Date-Time	25 Sep 2017 09:34:18 UTC 25 Sep 2017 03:34:18 near epicenter 25 Sep 2017 01:34:18 standard time in your timezone
Location	46.879N 112.526W
Depth	11 km
Distances	13.3 km (8.2 mi) NW of Atlantic City (historical), Montana 49.1 km (30.5 mi) NW of Helena, Montana 97.3 km (60.3 mi) N of Butte, Montana 109.1 km (67.6 mi) N of Butte-Silver Bow (Balance), Montana 111.9 km (69.4 mi) E of Missoula, Montana
Location Uncertainty	Horizontal: 0.5 km; Vertical 0.6 km
Parameters	Nph = 25; Dmin = 4.3 km; Rmss = 0.20 seconds; Gp = 75° Version = 4
Event ID	mb 80257569

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Montana Regional Seismic Network
Montana Bureau of Mines and Geology
http://mbmgquake.mtech.edu


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