M1.8 earthquake Central California

A magnitude 1.8 earthquake struck in Central California on Tue, Jul 9, 1985, 4:24 AM PDT (11:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.9 11 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event nc51107. Read Tue, Sep 22, 2026, 5:22 PM UTC.