2026-02-01 01:22:46 (M3.2) Western Montana 47.5 -111.2 (90be5)

M3.2 Earthquake - Western Montana

Preliminary Report

Magnitude	3.2
Date-Time	Universal Time (UTC): 1 Feb 2026 01:22:47 Time near the Epicenter (1): 31 Jan 2026 18:22:47 Time in your area (1): 31 Jan 2026 17:22:47
Location	47.529N 111.214W
Depth	9 km
Distances	3.6 km (2.2 mi) NW of Malmstrom Air Force Base, Montana 7.3 km (4.5 mi) ENE of Great Falls, Montana 121.4 km (75.3 mi) NNE of Helena, Montana 197.3 km (122.3 mi) NNE of Butte, Montana 206.1 km (127.8 mi) N of Bozeman, Montana
Location Uncertainty	Horizontal: 3.4 km; Vertical 7.5 km
Parameters	Nph = 42; Dmin = 102.4 km; Rmss = 0.90 seconds; Gp = 95° Version =
Event ID	us 6000s5t1

(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
National Earthquake Information Center
U.S. Geological Survey


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