2017-07-23 15:08:29 (M2.9) western Montana 46.9 -112.5 (90be5)

M2.9 - western Montana

Preliminary Earthquake Report

Magnitude	2.9
Date-Time	23 Jul 2017 15:08:30 UTC 23 Jul 2017 09:08:30 near epicenter 23 Jul 2017 07:08:30 standard time in your timezone
Location	46.879N 112.536W
Depth	12 km
Distances	13.8 km (8.5 mi) NW of Atlantic City (historical), Montana 49.7 km (30.8 mi) NW of Helena, Montana 97.3 km (60.3 mi) N of Butte, Montana 109.0 km (67.6 mi) N of Butte-Silver Bow (Balance), Montana 111.1 km (68.9 mi) E of Missoula, Montana
Location Uncertainty	Horizontal: 0.7 km; Vertical 0.5 km
Parameters	Nph = 29; Dmin = 4.8 km; Rmss = 0.26 seconds; Gp = 81° Version = 4
Event ID	mb 80235494

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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