California earthquakes

M3.9 earthquake 45 km WSW of Ferndale, California

A magnitude 3.9 earthquake struck 45 km WSW of Ferndale, California on Wed, Apr 14, 1982, 3:12 AM PST (11:12 UTC), 24 km (15 mi) below the surface.

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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
3.9 (ml), minor
Local time
UTC
1982-04-14 11:12:06 UTC
Depth
23.8 km (14.8 mi), shallow
Epicenter
40.377° N, 124.736° 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 1.3 km horizontally, 3.4 km in depth
Depth from
From location
Station coverage gap
247°, poorly surrounded by stations
Stations used
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 86 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 86.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1073714 (also filed as usp0001kqd). Read Tue, Sep 22, 2026, 12:11 PM UTC.