California earthquakes

M3.4 earthquake 5 km SSE of Palermo, California

A magnitude 3.4 earthquake struck 5 km SSE of Palermo, California on Mon, Nov 3, 1975, 8:03 AM PST (16:03 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.4 5 km SSE of Palermo, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.4 (md), minor
Local time
UTC
1975-11-03 16:03:37 UTC
Depth
3.7 km (2.3 mi), shallow
Epicenter
39.393° N, 121.503° 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 0.3 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
86°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 88.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1027320. Read Tue, Sep 22, 2026, 10:20 AM UTC.