Earthquake rattles Great Falls area as officials warn of aftershocks

By: Darrell Ehrlick

Outlets: Daily Montanan

Published: January 29, 2026

Words: 158

Last Updated: 3 weeks, 3 days ago

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The U.S. Geological Survey reported that an earthquake with a 4.2 magnitude rattled Cascade County, originating about 7.5 miles northeast of Malmstrom Air Force Base at 12:41 p.m., Thursday.

According to a public information statement put out by the National Weather Service, the quake was felt as far north as Shelby and as far south as Helena. The depth of the earthquake was estimated at 6.2 miles.

The USGS is warning that there is a …

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