California earthquakes

M2.1 earthquake 4km WSW of Squaw Valley, CA

A magnitude 2.1 earthquake struck 4km WSW of Squaw Valley, CA on Tue, Dec 14, 2021, 6:22 AM PST (14:22 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M2.8 10km WSW of Toms Place, CA. 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-12-14 14:22:48 UTC
Depth
13.0 km (8.1 mi), shallow
Epicenter
36.726° N, 119.287° 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, 0.6 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
132°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 26 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73663576. Read Sun, Oct 4, 2026, 4:53 AM UTC.