M2.5 earthquake 49 km ENE of Warm River, Idaho
A magnitude 2.5 earthquake struck 49 km ENE of Warm River, Idaho on Thu, Mar 12, 1981, 8:12 AM MST (15:12 UTC), 1 km (1 mi) below the surface.
A larger quake followed: M3.4 48 km ENE of Warm River, Idaho. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (ml), micro
- Local time
- UTC
- 1981-03-12 15:12:02 UTC
- Depth
- 0.9 km (0.6 mi), shallow
- Epicenter
- 44.290° N, 110.755° W
- Region
- Wyoming
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 8 in the 30 days before it.
After
- 3.448 km ENE of Warm River, Idaho · 16630 days ago · 1 km deep · 1 km away
- 3.149 km ENE of Warm River, Idaho · 16630 days ago · 1 km deep · 1 km away
- 3.86 km ESE of Island Park, Idaho · 16596 days ago · 5 km deep · 44 km away
- 3.711 km E of South Park, Wyoming · 16574 days ago · 5 km deep · 99 km away
Before
- 2.648 km ENE of Warm River, Idaho · 16630 days ago · 1 km deep · 3 km away
- 3.048 km ENE of Warm River, Idaho · 16630 days ago · 2 km deep · 2 km away
- 2.648 km ENE of Warm River, Idaho · 16630 days ago · 0 km deep · 2 km away
- 2.649 km ENE of Warm River, Idaho · 16630 days ago · 4 km deep · 1 km away
- 2.549 km SE of West Yellowstone, Montana · 16630 days ago · 5 km deep · 1 km away
- 2.548 km SSE of West Yellowstone, Montana · 16630 days ago · 4 km deep · 1 km away
- 3.148 km ENE of Warm River, Idaho · 16630 days ago · 2 km deep · 0 km away
- 3.848 km ENE of Warm River, Idaho · 16630 days ago · 1 km deep · 2 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cnx. Read Tue, Sep 22, 2026, 6:36 AM UTC.