M1.5 earthquake 10km NNE of Cabazon, CA

A magnitude 1.5 earthquake struck 10km NNE of Cabazon, CA on Sat, Oct 29, 1977, 8:41 PM PDT (03:41 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M1.9 5km S of Morongo Valley, 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: 162 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 162.

From the USGS Earthquake Hazards Program and its partner networks, event ci3335778. Read Tue, Sep 22, 2026, 10:03 AM UTC.