M2.1 earthquake 3 km ESE of Berkeley, California

A magnitude 2.1 earthquake struck 3 km ESE of Berkeley, California on Sun, Apr 28, 1985, 9:56 AM PDT (16:56 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.3 3 km SSE of North Gate, 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: 72 in the 60 days after this one and 48 in the 30 days before it.

The first 60 of 72.

From the USGS Earthquake Hazards Program and its partner networks, event nc46803 (also filed as usp0002e8m). Read Tue, Sep 22, 2026, 11:49 PM UTC.