M1.8 earthquake 27km E of Big Pine, CA

A magnitude 1.8 earthquake struck 27km E of Big Pine, CA on Wed, Jun 24, 1981, 10:23 PM PDT (05:23 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.5 15km ENE of Mammoth Lakes, 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 ci518259. Read Tue, Sep 22, 2026, 9:38 AM UTC.