M2.8 earthquake 10km SE of Carpinteria, CA

A magnitude 2.8 earthquake struck 10km SE of Carpinteria, CA on Sat, Jul 18, 1987, 1:35 PM PDT (20:35 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 10km SE of Carpinteria, CA. 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: 64 in the 60 days after this one and 33 in the 30 days before it.

The first 60 of 64.

From the USGS Earthquake Hazards Program and its partner networks, event ci726285. Read Tue, Sep 22, 2026, 9:39 PM UTC.