M1.6 earthquake 11 km E of Coalinga, California

A magnitude 1.6 earthquake struck 11 km E of Coalinga, California on Sat, Jul 20, 1985, 4:05 AM PDT (11:05 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M1.6 12 km WSW of Huron, 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 nc51461. Read Tue, Sep 22, 2026, 9:39 PM UTC.