M2.2 earthquake 2 km NW of Mesa, California

A magnitude 2.2 earthquake struck 2 km NW of Mesa, California on Tue, Apr 2, 1985, 6:54 AM PST (14:54 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.9 4 km WNW of Round Valley, 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event nc45186. Read Tue, Sep 22, 2026, 5:16 PM UTC.