California earthquakes

M2.1 earthquake 9km SE of Pinnacles, CA

A magnitude 2.1 earthquake struck 9km SE of Pinnacles, CA on Wed, Sep 1, 2021, 6:14 AM PDT (13:14 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 18km NW of San Simeon, CA. This one was a foreshock.

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Map

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
2021-09-01 13:14:28 UTC
Depth
5.9 km (3.7 mi), shallow
Epicenter
36.473° N, 121.068° 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, 0.5 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
59°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 126 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 126.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73618766. Read Sat, Oct 3, 2026, 6:06 PM UTC.