M1.8 earthquake 6 km E of Mammoth Lakes, California

A magnitude 1.8 earthquake struck 6 km E of Mammoth Lakes, California on Tue, Aug 24, 1982, 2:25 AM PDT (09:25 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M5.0 21 km NNW of Dyer, Nevada. 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: at least 202 in the 60 days after this one and 198 in the 30 days before it.

The first 60 of at least 202.

From the USGS Earthquake Hazards Program and its partner networks, event nc1077992. Read Mon, Oct 5, 2026, 8:19 AM UTC.