M1.8 earthquake 22 km NE of Big Pine, California

A magnitude 1.8 earthquake struck 22 km NE of Big Pine, California on Thu, Jul 31, 1986, 2:08 AM PDT (09:08 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.5 22 km ENE of Sunny Slopes, California. 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 nc1141840. Read Tue, Sep 22, 2026, 4:51 PM UTC.