M2.3 earthquake 16km NW of Tehachapi, CA

A magnitude 2.3 earthquake struck 16km NW of Tehachapi, CA on Mon, Jan 3, 1983, 7:44 PM PST (03:44 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.7 13km W of Wofford Heights, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 198 in the 30 days before it.

The first 60 of at least 201.

From the USGS Earthquake Hazards Program and its partner networks, event ci501354. Read Mon, Sep 28, 2026, 8:05 PM UTC.