California earthquakes

M4.7 earthquake 130 km W of Ferndale, California

A magnitude 4.7 earthquake struck 130 km W of Ferndale, California on Sat, Mar 14, 1981, 10:07 PM PST (06:07 UTC), 7 km (4 mi) below the surface.

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The earthquake

Magnitude: 4.7 (ml), light
Local time: Sat, Mar 14, 1981, 10:07 PM PST
UTC: 1981-03-15 06:07:39 UTC
Depth: 6.9 km (4.3 mi), shallow
Epicenter: 40.409° N, 125.786° W
Region: California
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 4.8 km horizontally, 18.2 km in depth
Depth from: From location
Station coverage gap: 293°, poorly surrounded by stations
Stations used: 47

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 40 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1061352 (also filed as ushis3709, usp0001cq8). Read Tue, Sep 22, 2026, 12:17 PM UTC.