M2.5 earthquake 21 km NE of Soledad, California

A magnitude 2.5 earthquake struck 21 km NE of Soledad, California on Mon, Mar 24, 1975, 11:21 PM PDT (06:21 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.2 21 km WSW of Three Rocks, 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: 191 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 191.

From the USGS Earthquake Hazards Program and its partner networks, event nc1023314. Read Tue, Sep 22, 2026, 5:15 PM UTC.