California earthquakes

M2.3 earthquake 21km NE of Boron, CA

A magnitude 2.3 earthquake struck 21km NE of Boron, CA on Fri, Apr 2, 1982, 4:15 AM PST (12:15 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.8 15km NNE of Inyokern, 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
2.3 (mc), micro
Local time
UTC
1982-04-02 12:15:15 UTC
Depth
5.1 km (3.2 mi), shallow
Epicenter
35.131° N, 117.488° 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
80°
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: 166 in the 60 days after this one and 147 in the 30 days before it.

After

The first 60 of 166.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci528087. Read Tue, Sep 29, 2026, 1:59 AM UTC.