California earthquakes

M1.8 earthquake 26km E of Lone Pine, CA

A magnitude 1.8 earthquake struck 26km E of Lone Pine, CA on Thu, Dec 5, 1985, 1:58 PM PST (21:58 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.2 8km NNE of Coso Junction, CA. This one was a foreshock.

Lone Pine forecastMore in California

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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
1.8 (mc), micro
Local time
UTC
1985-12-05 21:58:19 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
36.598° N, 117.786° 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.

Depth from
Operator assigned
Station coverage gap
305°, poorly surrounded by stations
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 54 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci133321. Read Tue, Sep 22, 2026, 6:54 PM UTC.