This page summarizes earthquakes in Montana (United States). The most recently recorded event was a magnitude M5.4 earthquake near Blaine County on 2026-06-17 06:34:17 UTC. All event lists and map markers are limited to the last 30 days.
Montana is a landlocked state in the Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, and the Canadian provinces of Alberta, British Columbia, and Saskatchewan to the north.
In 2026, Montana recorded 17 earthquakes within United States. The average magnitude was M2.20. The strongest event reached M5.4.
Located on the North America Plate.
