California earthquakes

M1.6 earthquake 19km SSW of Lamont, CA

A magnitude 1.6 earthquake struck 19km SSW of Lamont, CA on Wed, Apr 22, 1981, 9:24 AM PST (17:24 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 8km SE of Lake Isabella, 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
1981-04-22 17:24:14 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
35.106° N, 118.999° 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 0.8 km horizontally, 1.8 km in depth
Depth from
From location
Station coverage gap
76°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 18 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci514834. Read Tue, Sep 22, 2026, 8:39 PM UTC.