California earthquakes

M1.6 earthquake 14km ENE of Coso Junction, CA

A magnitude 1.6 earthquake struck 14km ENE of Coso Junction, CA on Thu, Dec 17, 1981, 7:10 AM PST (15:10 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.8 14km ENE of Coso Junction, CA. 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
1.6 (mh), micro
Local time
UTC
1981-12-17 15:10:27 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
36.111° N, 117.818° 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 1.4 km horizontally, 0.8 km in depth
Depth from
From location
Station coverage gap
139°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 81 in the 60 days after this one and 84 in the 30 days before it.

After

The first 60 of 81.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci103500. Read Tue, Sep 22, 2026, 12:18 PM UTC.