California earthquakes

M2.5 earthquake 24km E of Lone Pine, CA

A magnitude 2.5 earthquake struck 24km E of Lone Pine, CA on Wed, Dec 9, 1981, 7:52 AM PST (15:52 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.3 32 km SSE of Dyer, Nevada. 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
2.5 (ml), micro
Local time
UTC
1981-12-09 15:52:41 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
36.557° N, 117.801° 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 1.0 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.26
Depth from
Operator assigned
Station coverage gap
236°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 25 in the 30 days before it.

After

The first 60 of 97.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci102871. Read Tue, Sep 29, 2026, 2:06 AM UTC.