Wyoming earthquakes

M2.9 earthquake 1 km ESE of Thayne, Wyoming

A magnitude 2.9 earthquake struck 1 km ESE of Thayne, Wyoming on Tue, Dec 15, 1981, 8:36 AM MST (15:36 UTC), 5 km (3 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
1981-12-15 15:36:10 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
42.916° N, 110.980° 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 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001heh. Read Tue, Sep 22, 2026, 8:41 AM UTC.