M2.1 earthquake 18 km S of Big Pine, California

A magnitude 2.1 earthquake struck 18 km S of Big Pine, California on Tue, Oct 29, 1985, 1:47 AM PST (09:47 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.4 3 km SSE of Swall Meadows, 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: 150 in the 60 days after this one and 49 in the 30 days before it.

The first 60 of 150.

From the USGS Earthquake Hazards Program and its partner networks, event nc57865 (also filed as ci130439). Read Tue, Sep 22, 2026, 3:09 PM UTC.