M1.8 earthquake 13 km N of Coalinga, California

A magnitude 1.8 earthquake struck 13 km N of Coalinga, California on Mon, Nov 23, 1987, 7:26 AM PST (15:26 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.3 22 km NNE of Soledad, 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: 130 in the 60 days after this one and 67 in the 30 days before it.

The first 60 of 130.

From the USGS Earthquake Hazards Program and its partner networks, event nc108915. Read Tue, Sep 22, 2026, 10:34 PM UTC.