M3.1 earthquake 9 km ENE of Bigfork, Montana
A magnitude 3.1 earthquake struck 9 km ENE of Bigfork, Montana on Mon, Feb 22, 1982, 3:43 AM MST (10:43 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1982-02-22 10:43:52 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 48.098° N, 113.956° W
- Region
- Montana
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001js9. Read Sun, Sep 27, 2026, 8:12 PM UTC.