M1.7 earthquake 4 km SSW of Mesa, California

A magnitude 1.7 earthquake struck 4 km SSW of Mesa, California on Thu, Jan 2, 1986, 2:27 AM PST (10:27 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.5 13 km WSW of Wilkerson, 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: 116 in the 60 days after this one and 55 in the 30 days before it.

The first 60 of 116.

From the USGS Earthquake Hazards Program and its partner networks, event nc62598 (also filed as ci112482). Read Tue, Sep 22, 2026, 9:19 PM UTC.