M1.8 earthquake 6 km SSW of Sutter, California

A magnitude 1.8 earthquake struck 6 km SSW of Sutter, California on Sun, May 31, 1987, 6:18 AM PDT (13:18 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.0 6 km W 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: 170 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 170.

From the USGS Earthquake Hazards Program and its partner networks, event nc101227. Read Wed, Sep 23, 2026, 1:21 PM UTC.