M2.0 earthquake 24km ESE of Anza, CA

A magnitude 2.0 earthquake struck 24km ESE of Anza, CA on Wed, Jan 23, 1985, 8:57 AM PST (16:57 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.9 10km ENE of Desert Hot Springs, 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 198 in the 30 days before it.

The first 60 of 191.

From the USGS Earthquake Hazards Program and its partner networks, event ci59359. Read Thu, Oct 1, 2026, 2:31 PM UTC.