M1.7 earthquake 19km ESE of Campo, CA

A magnitude 1.7 earthquake struck 19km ESE of Campo, CA on Tue, Sep 1, 1981, 5:40 PM PDT (00:40 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.1 35km NE of Ensenada, B.C., MX. 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: 184 in the 60 days after this one and 6 in the 30 days before it.

The first 60 of 184.

From the USGS Earthquake Hazards Program and its partner networks, event ci522012. Read Tue, Sep 22, 2026, 11:27 PM UTC.