M1.7 earthquake 5 km ESE of Talmage, California

A magnitude 1.7 earthquake struck 5 km ESE of Talmage, California on Fri, Jan 9, 1987, 12:48 AM PST (08:48 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.8 2 km E of Rohnert Park, 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: 174 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 174.

From the USGS Earthquake Hazards Program and its partner networks, event nc1146458. Read Tue, Sep 22, 2026, 12:16 PM UTC.