M1.7 earthquake 18 km NNE of Nice, California

A magnitude 1.7 earthquake struck 18 km NNE of Nice, California on Sun, Oct 27, 1985, 12:14 PM PST (20:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.1 5 km SW of Cobb, 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: 177 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 177.

From the USGS Earthquake Hazards Program and its partner networks, event nc57753. Read Wed, Sep 23, 2026, 3:30 AM UTC.