M2.9 earthquake 38 km W of Esterbrook, Wyoming
A magnitude 2.9 earthquake struck 38 km W of Esterbrook, Wyoming on Wed, Dec 5, 1984, 9:04 PM MST (04:04 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M3.3 31 km W of Esterbrook, Wyoming. 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
- 1984-12-06 04:04:52 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 42.442° N, 105.821° 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.
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: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayWyoming earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00029u0. Read Tue, Sep 22, 2026, 7:44 AM UTC.