M1.6 earthquake 7 km SE of Willits, California

A magnitude 1.6 earthquake struck 7 km SE of Willits, California on Sat, Jul 20, 1985, 9:00 PM PDT (04:00 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M1.9 10 km S of Comptche, 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: 183 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 183.

From the USGS Earthquake Hazards Program and its partner networks, event nc1129850. Read Wed, Sep 23, 2026, 2:36 AM UTC.