California earthquakes

M3.6 earthquake 35 km W of Samoa, California

A magnitude 3.6 earthquake struck 35 km W of Samoa, California on Fri, Nov 26, 1976, 10:16 AM PST (18:16 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M3.7 63 km WNW of Samoa, California. This one was a foreshock.

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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
3.6 (ml), minor
Local time
UTC
1976-11-26 18:16:29 UTC
Depth
26.8 km (16.7 mi), shallow
Epicenter
40.842° N, 124.602° W
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 7.7 km horizontally, 3.6 km in depth
Depth from
From location
Station coverage gap
326°, poorly surrounded by stations
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 106.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1032475 (also filed as usp0000kga). Read Tue, Sep 22, 2026, 9:33 PM UTC.