California earthquakes

M1.8 earthquake 16km NW of Coso Junction, CA

A magnitude 1.8 earthquake struck 16km NW of Coso Junction, CA on Mon, Jul 19, 1982, 11:01 PM PDT (06:01 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M1.8 15km NNE of Inyokern, CA. 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
1.8 (mc), micro
Local time
UTC
1982-07-20 06:01:56 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
36.144° N, 118.073° 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
277°, 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: 100 in the 60 days after this one and 90 in the 30 days before it.

After

The first 60 of 100.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci505502. Read Tue, Sep 22, 2026, 9:31 PM UTC.