California earthquakes

M2.2 earthquake 86 km WSW of Ferndale, California

A magnitude 2.2 earthquake struck 86 km WSW of Ferndale, California on Mon, Oct 18, 1982, 6:10 AM PDT (13:10 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.4 71 km WNW of Samoa, 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
2.2 (md), micro
Local time
UTC
1982-10-18 13:10:31 UTC
Depth
8.4 km (5.2 mi), shallow
Epicenter
40.339° N, 125.237° 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 12.9 km horizontally, 12.8 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
314°, 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: 73 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 73.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1080448. Read Tue, Sep 22, 2026, 8:47 PM UTC.