M2.2 earthquake 8 km ESE of Willows, California

A magnitude 2.2 earthquake struck 8 km ESE of Willows, California on Sat, Jul 6, 1985, 8:02 PM PDT (03:02 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.2 8 km WSW of Hamilton City, 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: 178 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 178.

From the USGS Earthquake Hazards Program and its partner networks, event nc50667. Read Thu, Sep 24, 2026, 12:12 AM UTC.