California earthquakes

M1.9 earthquake 36 km SSW of Ferndale, California

A magnitude 1.9 earthquake struck 36 km SSW of Ferndale, California on Sun, Oct 3, 1982, 3:23 AM PDT (10:23 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.3 15 km WSW of Ferndale, 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
1.9 (md), micro
Local time
UTC
1982-10-03 10:23:20 UTC
Depth
12.5 km (7.8 mi), shallow
Epicenter
40.294° N, 124.482° 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 1.0 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
268°, poorly surrounded by stations
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 89.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1079880. Read Mon, Sep 28, 2026, 10:38 PM UTC.