M2.1 earthquake Central California

A magnitude 2.1 earthquake struck in Central California on Tue, Aug 31, 1982, 6:50 PM PDT (01:50 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.3 12 km S of Tres Pinos, 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 nc1078381. Read Tue, Sep 22, 2026, 7:46 PM UTC.