M1.5 earthquake 20km ESE of Anza, CA

A magnitude 1.5 earthquake struck 20km ESE of Anza, CA on Sat, Feb 13, 1982, 2:13 PM PST (22:13 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M4.5 12km SSW of Ocotillo Wells, 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: 196 in the 60 days after this one and 110 in the 30 days before it.

The first 60 of 196.

From the USGS Earthquake Hazards Program and its partner networks, event ci105833. Read Thu, Oct 1, 2026, 4:54 AM UTC.