California earthquakes

M3.5 earthquake 13 km SE of Mammoth Lakes, California

A magnitude 3.5 earthquake struck 13 km SE of Mammoth Lakes, California on Mon, Nov 9, 1981, 11:33 PM PST (07:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.9 4 km ESE of Mammoth Lakes, California. This one was a foreshock.

Mammoth Lakes forecast More in California

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.5 (md), minor
Local time: Mon, Nov 9, 1981, 11:33 PM PST
UTC: 1981-11-10 07:33:06 UTC
Depth: 7.7 km (4.8 mi), shallow
Epicenter: 37.571° N, 118.861° W
Region: California
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 85°
Stations used: 17

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 30 in the 30 days before it.

After

The first 60 of 84.

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1069326 (also filed as ci526790, usp0001gwc). Read Mon, Sep 28, 2026, 8:29 PM UTC.