M2.7 earthquake Central California

A magnitude 2.7 earthquake struck in Central California on Fri, Mar 19, 1976, 10:17 AM PST (18:17 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.2 28 km W 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: 186 in the 60 days after this one and 137 in the 30 days before it.

The first 60 of 186.

From the USGS Earthquake Hazards Program and its partner networks, event nc1029196. Read Wed, Sep 30, 2026, 9:59 PM UTC.