California earthquakes

M2.3 earthquake 8km NE of Pinnacles, CA

A magnitude 2.3 earthquake struck 8km NE of Pinnacles, CA on Thu, Sep 26, 2019, 1:59 AM PDT (08:59 UTC), 11 km (7 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
2019-09-26 08:59:18 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
36.583° N, 121.081° 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 III, weak 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
70°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 177 in the 60 days after this one and 84 in the 30 days before it.

After

The first 60 of 177.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73281155. Read Mon, Oct 5, 2026, 10:38 AM UTC.