M1.7 earthquake 7km WSW of Devore, CA

A magnitude 1.7 earthquake struck 7km WSW of Devore, CA on Tue, Apr 10, 1973, 3:04 AM PST (11:04 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.2 6km 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: 111 in the 60 days after this one and 47 in the 30 days before it.

The first 60 of 111.

From the USGS Earthquake Hazards Program and its partner networks, event ci12317719. Read Thu, Sep 24, 2026, 1:51 PM UTC.