🚨 MONTANA EARTHQUAKE –M4.2 NEAR GREAT FALLS Montana just had a magnitude 4.2 earthquake near Great Falls. USGS lists the event on January 29, 2026 at about 12:41 p.m. Mountain Time, with the epicenter about 8 km northeast of Black Eagle and roughly 12 km northeast of Malmstrom Air Force Base, at a shallow depth. For people in the area, this is strong enough to feel – a jolt, a rumble, maybe a few things rattling – even though it is not a large quake in global terms. First question everyone asks