California earthquakes

M2.3 earthquake 4km NE of Pinnacles, CA

A magnitude 2.3 earthquake struck 4km NE of Pinnacles, CA on Sun, Sep 8, 2019, 12:32 PM PDT (19:32 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.7 17km SSE of Tres Pinos, 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2019-09-08 19:32:09 UTC
Depth
4.3 km (2.7 mi), shallow
Epicenter
36.561° N, 121.115° W
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
64°
Stations used
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 194.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73267660. Read Mon, Oct 5, 2026, 12:06 PM UTC.