California earthquakes

M1.6 earthquake 12km NNE of Pinnacles, CA

A magnitude 1.6 earthquake struck 12km NNE of Pinnacles, CA on Wed, Feb 17, 2021, 10:18 AM PST (18:18 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.8 9km ENE of Gilroy, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-02-17 18:18:12 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
36.624° N, 121.075° 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 0.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
141°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 164 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 164.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73524376. Read Sat, Oct 3, 2026, 2:01 PM UTC.