Wyoming earthquakes

M3.7 earthquake 5 km SE of Hoback, Wyoming

A magnitude 3.7 earthquake struck 5 km SE of Hoback, Wyoming on Sun, Mar 14, 1976, 7:28 PM MST (02:28 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.9 9 km ESE of Hoback, Wyoming. This one was a foreshock.

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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
3.7 (mb), minor
Local time
UTC
1976-03-15 02:28:34 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
43.253° N, 110.732° 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
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 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000ff9. Read Tue, Sep 22, 2026, 3:05 AM UTC.