M1.8 earthquake 7km NE of Cabazon, CA

A magnitude 1.8 earthquake struck 7km NE of Cabazon, CA on Thu, Dec 19, 1985, 3:37 PM PST (23:37 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.9 5km ESE of Twentynine Palms, 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: 172 in the 60 days after this one and 175 in the 30 days before it.

The first 60 of 172.

From the USGS Earthquake Hazards Program and its partner networks, event ci111110. Read Mon, Sep 28, 2026, 1:54 AM UTC.