California earthquakes

M2.0 earthquake 67 km WSW of Ferndale, California

A magnitude 2.0 earthquake struck 67 km WSW of Ferndale, California on Fri, Jun 19, 1981, 8:31 AM PDT (15:31 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.6 23 km WSW of Weott, 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-06-19 15:31:23 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
40.451° N, 125.040° 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 6.5 km horizontally, 9.5 km in depth
Depth from
From location
Station coverage gap
310°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 85 in the 30 days before it.

After

The first 60 of 133.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064683. Read Thu, Oct 1, 2026, 7:33 AM UTC.