California earthquakes

M1.6 earthquake 9km NNW of Cholame, CA

A magnitude 1.6 earthquake struck 9km NNW of Cholame, CA on Fri, Jan 15, 2021, 6:44 PM PST (02:44 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.7 22km SSE of Lopez Point, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-01-16 02:44:16 UTC
Depth
3.1 km (2.0 mi), shallow
Epicenter
35.793° N, 120.348° 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, 0.4 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
92°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 24 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73511630. Read Sun, Oct 4, 2026, 4:25 AM UTC.