M2.5 earthquake Central California

A magnitude 2.5 earthquake struck in Central California on Tue, Nov 18, 1975, 12:39 AM PST (08:39 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 5 km SW of Three Rocks, California. 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: 196 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 196.

From the USGS Earthquake Hazards Program and its partner networks, event nc1027549. Read Tue, Sep 22, 2026, 8:20 AM UTC.