M3.3 earthquake 10 km ESE of Mammoth Lakes, California

A magnitude 3.3 earthquake struck 10 km ESE of Mammoth Lakes, California on Sat, Nov 7, 1981, 2:03 PM PST (22:03 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.5 13 km SE of Mammoth Lakes, 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: 86 in the 60 days after this one and 35 in the 30 days before it.

The first 60 of 86.

From the USGS Earthquake Hazards Program and its partner networks, event nc1069266 (also filed as ci526377). Read Tue, Sep 22, 2026, 4:15 PM UTC.