Montana's July 6 quake M5.8 is part of a well-known fault system, Lewis and Clark line. Largest historic quake was Hegben Lake 1959 M7.2 Thursday’s earthquake struck at 12:30 a.m. MDT ...

"Earthquake in Montana." There have been more than 70 quakes ... to the ongoing earthquake swarm northwest of Yellowstone Lake, which has been going on for a little over two months.

but the biggest earthquake recorded in Montana history — the Aug. 17, 1959, Hebgen Lake disaster — toppled a mountain. Like the 2017 Lincoln quake, Montanans instantly started sharing their ...

Montana’s most destructive quakes have occurred ... It created a new lake on the upper Madison River called Quake Lake. In late June 1925, brick school buildings in Manhattan, Logan, Three ...

with a magnitude between 6.9 and 7.1. The last major earthquake in Montana was the 1959 Hebgen Lake earthquake, northwest of West Yellowstone. It rattled Montana at a magnitude of 7.3. The most ...

The Volcano Discovery webpage reported a “weak” 2.5 magnitude earthquake at Hebgen Lake Estates near the Idaho-Montana border on Sunday. Relying on information from the United States ...

The so-called Hebgen Lake earthquake hit about 175 miles ... There have been two other earthquakes in Montana greater than magnitude 5 in the last two decades. There was a 5.6 in 2005 and a ...

MISSOULA — Damage was minimal, but the magnitude 5.8 earthquake centered south of Lincoln early Thursday was the most violent yet in Montana west of the Continental Divide.