California earthquakes

M2.3 earthquake 2km WNW of Walker, CA

A magnitude 2.3 earthquake struck 2km WNW of Walker, CA on Fri, Sep 16, 2022, 5:41 PM PDT (00:41 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.5 5km NE of Walker, 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2022-09-17 00:41:16 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
38.523° N, 119.504° W
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.25Md, durationNorthern California Seismic SystemPreferred · Final · ±0.262 · 32 stations
1.8ML, local (Richter)Nevada Seismological LaboratoryReviewed · ±0.17 · 5 stations

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, 0.4 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
85°
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: 46 in the 60 days after this one and 26 in the 30 days before it.

After

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73782571 (also filed as nn00847327). Read Sun, Oct 4, 2026, 1:38 PM UTC.