M1.6 earthquake 7 km E of Willits, California

A magnitude 1.6 earthquake struck 7 km E of Willits, California on Sat, Dec 14, 1985, 11:27 PM PST (07:27 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.7 7 km WSW of Cobb, 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: 198 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 198.

From the USGS Earthquake Hazards Program and its partner networks, event nc62983. Read Tue, Sep 22, 2026, 3:41 PM UTC.