M2.1 earthquake - 15 km ENE of Twin Bridges, Montana

What happened

A magnitude 2.1 earthquake struck 15 km ENE of Twin Bridges, Montana on 16 Oct 2026, 15:31 UTC at a depth of 4 km.

Earthquakes of this size are classed as Micro. Usually not felt, or felt only by a few people at rest. Recorded by instruments. This was a shallow earthquake, which tends to be felt more strongly at the surface.