M1.6 earthquake 16km ESE of Anza, CA

A magnitude 1.6 earthquake struck 16km ESE of Anza, CA on Thu, May 2, 2002, 4:38 PM PDT (23:38 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.9 14km E 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: 175 in the 60 days after this one and 75 in the 30 days before it.

The first 60 of 175.

From the USGS Earthquake Hazards Program and its partner networks, event ci12895464. Read Mon, Oct 5, 2026, 2:32 AM UTC.