M1.8 earthquake 16km ENE of Coso Junction, CA

A magnitude 1.8 earthquake struck 16km ENE of Coso Junction, CA on Sun, Jan 31, 1982, 7:57 AM PST (15:57 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.0 16km NNE of Inyokern, CA. 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: 199 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 199.

From the USGS Earthquake Hazards Program and its partner networks, event ci105250. Read Tue, Sep 22, 2026, 8:45 PM UTC.