California earthquakes

M1.7 earthquake 2 km N of Walker, California

A magnitude 1.7 earthquake struck 2 km N of Walker, California on Wed, Dec 15, 2021, 4:51 PM PST (00:51 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.5 4km SSE of Markleeville, CA. This one was a foreshock.

Walker forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Nevada Seismological Laboratory
Local time
UTC
2021-12-16 00:51:35 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
38.537° N, 119.471° 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.

Magnitude uncertainty
±0.22
Station coverage gap
94°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 82 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 82.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nn00830013. Read Sat, Oct 3, 2026, 7:03 PM UTC.