M2.1 earthquake 11km NNW of Cabazon, CA

A magnitude 2.1 earthquake struck 11km NNW of Cabazon, CA on Fri, Apr 10, 1987, 5:23 PM PDT (00:23 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.1 17km SSE of Big Bear Lake, 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: 182 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 182.

From the USGS Earthquake Hazards Program and its partner networks, event ci720463. Read Tue, Sep 22, 2026, 4:21 PM UTC.