M1.8 earthquake 10km NE of Cabazon, CA

A magnitude 1.8 earthquake struck 10km NE of Cabazon, CA on Thu, Oct 20, 1983, 10:14 PM PDT (05:14 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.5 20km NNE of Indio, 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: 171 in the 60 days after this one and 156 in the 30 days before it.

The first 60 of 171.

From the USGS Earthquake Hazards Program and its partner networks, event ci18942. Read Thu, Oct 1, 2026, 10:06 PM UTC.