M2.1 earthquake 8 km E of Mammoth Lakes, California

A magnitude 2.1 earthquake struck 8 km E of Mammoth Lakes, California on Sun, Aug 15, 1982, 12:55 PM PDT (19:55 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.1 14 km SW of Aspen Springs, 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 nc1077573. Read Tue, Sep 22, 2026, 10:34 PM UTC.