California earthquakes

M1.8 earthquake 34 km SSW of Ferndale, California

A magnitude 1.8 earthquake struck 34 km SSW of Ferndale, California on Tue, Nov 30, 1982, 1:13 AM PST (09:13 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M1.9 8 km WSW of Indianola, 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
1.8 (md), micro
Local time
UTC
1982-11-30 09:13:18 UTC
Depth
15.7 km (9.8 mi), shallow
Epicenter
40.313° N, 124.485° 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, 0.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
291°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 40 in the 30 days before it.

After

The first 60 of 103.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1082496. Read Tue, Sep 22, 2026, 10:26 PM UTC.