California earthquakes

M1.8 earthquake 13km NNW of Mojave, CA

A magnitude 1.8 earthquake struck 13km NNW of Mojave, CA on Fri, Oct 9, 1981, 7:42 PM PDT (02:42 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 23km W of Johannesburg, 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
1.8 (mh), micro
Local time
UTC
1981-10-10 02:42:21 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
35.165° N, 118.207° 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 0.5 km horizontally, 1.8 km in depth
Depth from
From location
Station coverage gap
70°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 1 in the 30 days before it.

After

The first 60 of 112.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci524646. Read Tue, Sep 22, 2026, 10:28 PM UTC.