M1.9 earthquake 11km W of Anza, CA

A magnitude 1.9 earthquake struck 11km W of Anza, CA on Tue, May 14, 1985, 4:10 PM PDT (23:10 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.0 7km W of Calimesa, 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: 180 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 180.

From the USGS Earthquake Hazards Program and its partner networks, event ci66408. Read Tue, Sep 22, 2026, 9:36 PM UTC.