M2.2 earthquake 10km ESE of Willits, CA

A magnitude 2.2 earthquake struck 10km ESE of Willits, CA on Tue, Dec 15, 2020, 6:42 PM PST (02:42 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.6 9km WNW of Cobb, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 110 in the 30 days before it.

The first 60 of 167.

From the USGS Earthquake Hazards Program and its partner networks, event nc73498455. Read Sun, Oct 4, 2026, 3:57 PM UTC.