California earthquakes

M2.3 earthquake 18km W of Tehachapi, CA

A magnitude 2.3 earthquake struck 18km W of Tehachapi, CA on Thu, Dec 9, 1976, 3:24 AM PST (11:24 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 15km NW of Grapevine, 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 (mh), micro
Local time
UTC
1976-12-09 11:24:11 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
35.131° N, 118.644° 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
From location
Station coverage gap
144°
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: 67 in the 60 days after this one and 12 in the 30 days before it.

After

The first 60 of 67.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci149902. Read Sun, Sep 27, 2026, 11:47 AM UTC.