M1.7 earthquake Central California

A magnitude 1.7 earthquake struck in Central California on Wed, Nov 12, 1986, 9:14 AM PST (17:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.2 14 km N of Morgan Hill, 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: 168 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 168.

From the USGS Earthquake Hazards Program and its partner networks, event nc87808. Read Tue, Sep 22, 2026, 8:41 AM UTC.