M3.1 earthquake 30 km E of Leadore, Idaho
A magnitude 3.1 earthquake struck 30 km E of Leadore, Idaho on Sat, Sep 4, 1976, 3:24 AM MDT (09:24 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
- 1976-09-04 09:24:30 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 44.732° N, 112.977° 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
- 15
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 1 in the 30 days before it.
Before
Earthquakes todayMontana earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000j72. Read Tue, Sep 22, 2026, 7:57 AM UTC.