M2.2 earthquake 33 km W of Three Rocks, California

A magnitude 2.2 earthquake struck 33 km W of Three Rocks, California on Tue, Jul 9, 1985, 9:56 AM PDT (16:56 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M2.6 7 km NNE of Avenal, 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: 195 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 195.

From the USGS Earthquake Hazards Program and its partner networks, event nc50773. Read Tue, Sep 22, 2026, 5:14 PM UTC.