M2.3 earthquake 9km N of Olancha, CA

A magnitude 2.3 earthquake struck 9km N of Olancha, CA on Sun, Dec 5, 1982, 8:37 PM PST (04:37 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 19km 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: 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 ci503931. Read Tue, Sep 22, 2026, 8:47 PM UTC.