Moderate magnitude 4.6 quake hits 17 miles northeast of Great Falls, Montana, United States around noon

An earthquake of magnitude 4.6 occurred only 7 minutes ago 17 miles northeast of Great Falls, Montana, United States, the German Research Centre for Geosciences (GFZ) reported.
The quake hit at a shallow depth of 6.2 miles beneath the epicenter near Great Falls, Cascade County, Montana, USA, around noon on Thursday, January 29th, 2026, at 12:41 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Sidney (pop. 58) located 10 miles from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Black Eagle (pop. 900) located 15 miles from the epicenter, Malmstrom Air Force Base (pop. 3,500) 15 miles away, Great Falls (pop. 59,600) 17 miles away, Sun Prairie (pop. 1,600) 20 miles away, and Fort Benton (pop. 1,500) 23 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Conrad (pop. 2,600) located 48 miles from the epicenter, and Choteau (pop. 1,700) 49 miles away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.


Earthquake data:
Date & time: Jan 29, 2026 12:41 pm (GMT -7) local time (29 Jan 2026 19:41 GMT)
Magnitude: 4.6
Depth: 10.00 km
Epicenter latitude / longitude: 47.73°N / 111.15°W (Chouteau County, Montana, United States)
Primary data source: GFZ
https://www.volcanodiscovery.com/earthquake/news/293342/Moderate-magnitude-46-quake-hits-17-miles-northeast-of-Great-Falls-Montana-United-States-around-noon.html