M2.0 earthquake 10 km ESE of Gilroy, California

A magnitude 2.0 earthquake struck 10 km ESE of Gilroy, California on Sat, Jul 4, 1981, 5:55 PM PDT (00:55 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.2 2 km ESE of Tres Pinos, 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: 167 in the 60 days after this one and 71 in the 30 days before it.

The first 60 of 167.

From the USGS Earthquake Hazards Program and its partner networks, event nc1065168. Read Wed, Sep 30, 2026, 10:25 AM UTC.