M1.8 earthquake 7km NE of Imperial, CA

A magnitude 1.8 earthquake struck 7km NE of Imperial, CA on Sat, Jul 31, 1982, 10:14 PM PDT (05:14 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M1.9 2km ESE of Westmorland, 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: 154 in the 60 days after this one and 44 in the 30 days before it.

The first 60 of 154.

From the USGS Earthquake Hazards Program and its partner networks, event ci505992. Read Tue, Sep 22, 2026, 10:27 PM UTC.