Intermountain Seismic Belt Historical Earthquake Project
March 31, 1952 – Bigfork, MT – M 5.5
A magnitude 5.5 earthquake occurred in Montana at 5:37 p.m. on Monday, March 31, 1952. The epicenter was located approximately 15 miles east of Bigfork, Montana—a town on the northeast shore of Flathead Lake, Montana.
Reports from some individuals on the east shore of Flathead Lake noted that pictures swung on the wall and wood in houses creaked. In Kalispell, Montana (approximately 23 miles northwest of Bigfork) it was reported that houses shook, kitchen doors rattled and tables moved.
No injuries or significant damage from this earthquake was reported.
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