M2.9 earthquake 30 km WNW of Lima, Montana
A magnitude 2.9 earthquake struck 30 km WNW of Lima, Montana on Sat, Sep 4, 1976, 1:56 AM MDT (07:56 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M3.1 30 km E of Leadore, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.9 (ml), micro
- Local time
- UTC
- 1976-09-04 07:56:11 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.736° N, 112.949° 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
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayMontana earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000j71. Read Tue, Sep 22, 2026, 12:16 PM UTC.