California earthquakes

M4.5 earthquake 55 km SW of Ferndale, California

A magnitude 4.5 earthquake struck 55 km SW of Ferndale, California on Mon, May 1, 1939, 1:53 PM GMT-8 (21:53 UTC).

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The earthquake

Magnitude
4.5 (ml), light
Local time
UTC
1939-05-01 21:53:18 UTC
Depth
Not given
Epicenter
40.200° N, 124.700° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ushis1246. Read Tue, Sep 22, 2026, 10:20 AM UTC.