M2.3 earthquake 12 km SW of Soledad, California

A magnitude 2.3 earthquake struck 12 km SW of Soledad, California on Mon, Jun 30, 1975, 10:15 PM PDT (05:15 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 27 km SE of Tres Pinos, 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: 189 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 189.

From the USGS Earthquake Hazards Program and its partner networks, event nc1024608. Read Tue, Sep 22, 2026, 9:29 PM UTC.