M2.1 earthquake 21km NNW of Fort Irwin, CA

A magnitude 2.1 earthquake struck 21km NNW of Fort Irwin, CA on Mon, Oct 18, 1982, 12:59 AM PDT (07:59 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.1 10km NE 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: 186 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of 186.

From the USGS Earthquake Hazards Program and its partner networks, event ci511697. Read Mon, Sep 28, 2026, 4:38 PM UTC.