California earthquakes

M2.1 earthquake 51km S of Hawthorne, NV

A magnitude 2.1 earthquake struck 51km S of Hawthorne, NV on Sat, Apr 11, 1981, 2:27 AM PST (10:27 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.0 11 km ENE of Mammoth Lakes, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.1 (mh), micro
Local time
UTC
1981-04-11 10:27:50 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
38.071° N, 118.571° W
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.

Location uncertainty
About 4.1 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.45
Depth from
Operator assigned
Station coverage gap
250°, poorly surrounded by stations
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci514082. Read Tue, Sep 22, 2026, 5:42 AM UTC.