California earthquakes

M2.5 earthquake 13 km WSW of Ferndale, California

A magnitude 2.5 earthquake struck 13 km WSW of Ferndale, California on Wed, Sep 8, 1982, 3:53 AM PDT (10:53 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.3 62 km WNW of Indianola, California. This one was a foreshock.

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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
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-09-08 10:53:35 UTC
Depth
23.9 km (14.9 mi), shallow
Epicenter
40.529° N, 124.414° 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 7.0 km horizontally, 2.6 km in depth
Depth from
From location
Station coverage gap
298°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 106 in the 60 days after this one and 65 in the 30 days before it.

After

The first 60 of 106.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1078677. Read Thu, Oct 1, 2026, 1:32 PM UTC.