2025-01-20 11:18:08 (M3.3) Western Montana 47.5 -112.7 (90be5)

M3.3 Earthquake - Western Montana

Preliminary Report

Magnitude	3.3
Date-Time	Universal Time (UTC): 20 Jan 2025 11:18:09 Time near the Epicenter (1): 20 Jan 2025 04:18:09 Time in your area (1): 20 Jan 2025 03:18:09
Location	47.464N 112.732W
Depth	25 km
Distances	25.8 km (16.0 mi) W of Augusta, Montana 107.9 km (66.9 mi) W of Great Falls, Montana 110.4 km (68.4 mi) NNW of Helena, Montana 116.2 km (72.0 mi) NE of Missoula, Montana 143.6 km (89.0 mi) SE of Kalispell, Montana
Location Uncertainty	Horizontal: 0.3 km; Vertical 0.4 km
Parameters	Nph = 55; Dmin = 35.8 km; Rmss = 0.20 seconds; Gp = 68° Version = 2
Event ID	mb 90071248

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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