M1.5 earthquake Central California

A magnitude 1.5 earthquake struck in Central California on Mon, Feb 3, 1986, 3:26 AM PST (11:26 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.4 17 km NE of East Foothills, 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: 199 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 199.

From the USGS Earthquake Hazards Program and its partner networks, event nc65559. Read Tue, Sep 22, 2026, 9:28 PM UTC.