California earthquakes

M1.7 earthquake 7km E of Willits, CA

A magnitude 1.7 earthquake struck 7km E of Willits, CA on Wed, Nov 10, 2021, 7:13 PM PST (03:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 4km NW of Cobb, CA. 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-11-11 03:13:47 UTC
Depth
5.9 km (3.6 mi), shallow
Epicenter
39.415° N, 123.279° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
74°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 108 in the 30 days before it.

After

The first 60 of 149.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73651370. Read Sun, Oct 4, 2026, 7:48 PM UTC.