M1.7 earthquake Central California

A magnitude 1.7 earthquake struck in Central California on Mon, Oct 7, 1985, 10:40 PM PDT (05:40 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.1 10 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: 197 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 197.

From the USGS Earthquake Hazards Program and its partner networks, event nc56470. Read Tue, Sep 22, 2026, 3:48 PM UTC.