California earthquakes

M1.6 earthquake 1 km NE of Walker, California

A magnitude 1.6 earthquake struck 1 km NE of Walker, California on Sat, Jul 24, 2021, 9:30 PM PDT (04:30 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.4 25km SSW of Smith Valley, NV. 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
1.6 (ML, local (Richter)), micro
Magnitude from
Nevada Seismological Laboratory
Local time
UTC
2021-07-25 04:30:08 UTC
Depth
4.9 km (3.0 mi), shallow
Epicenter
38.526° N, 119.466° 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
±0.24
Station coverage gap
55°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nn00816151. Read Sat, Oct 3, 2026, 1:41 PM UTC.