M2.4 earthquake 14km SE of Anza, CA

A magnitude 2.4 earthquake struck 14km SE of Anza, CA on Thu, Dec 23, 1982, 4:15 AM PST (12:15 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.5 14km SE of Anza, 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: 191 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 191.

From the USGS Earthquake Hazards Program and its partner networks, event ci500455. Read Tue, Sep 22, 2026, 9:31 PM UTC.