MISSOULA, Mont. — Northbound U.S. 287 is blocked Friday morning near Quake Lake, according to Montana Department of Transportation. A disabled semi is located 1.25 miles south of the junction with ...

Alaska's large earthquake on Sunday had Montana shaking for the next 17 hours — with nearly 100 small earthquakes recorded from Helena to Yellowstone National Park. “ It certainly showed up on our ...

You are going about your day. All is calm and quiet until suddenly, the ground beneath your feet begins to shake, and items ...

The Helena Valley sits atop a variety of different sediments and rocks, making it particularly susceptible to earthquake ...