M2.5 earthquake 15km N of Ridgecrest, CA

A magnitude 2.5 earthquake struck 15km N of Ridgecrest, CA on Mon, Dec 6, 1982, 7:50 AM PST (15:50 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 18km NNE of Boron, 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: 198 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 198.

From the USGS Earthquake Hazards Program and its partner networks, event ci503940. Read Tue, Sep 22, 2026, 8:50 PM UTC.