M3.0 earthquake Central California

A magnitude 3.0 earthquake struck in Central California on Thu, Jul 24, 1975, 5:05 AM PDT (12:05 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.2 25 km ENE of Greenfield, California. 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: 188 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 188.

From the USGS Earthquake Hazards Program and its partner networks, event nc1024901. Read Wed, Sep 23, 2026, 3:22 AM UTC.