M2.5 earthquake 14km ENE of Big Pine, CA

A magnitude 2.5 earthquake struck 14km ENE of Big Pine, CA on Sun, Oct 1, 1978, 9:54 AM PDT (16:54 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 8 km E 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 ci9684470. Read Tue, Sep 22, 2026, 3:34 PM UTC.