California earthquakes

M2.8 earthquake 10 km WNW of Cobb, CA

A magnitude 2.8 earthquake struck 10 km WNW of Cobb, CA on Thu, Sep 10, 2026, 1:36 PM PDT (20:36 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 10 km WNW of Cobb, CA. This one was a foreshock.

Cobb forecast More in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.8 (md), micro
Local time: Thu, Sep 10, 2026, 1:36 PM PDT
UTC: 2026-09-10 20:36:17 UTC
Depth: 1.6 km (1.0 mi), shallow
Epicenter: 38.858° N, 122.830° W
Region: California
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 II, weak shaking. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty: ±0.20
Depth from: From location
Station coverage gap: 29°
Stations used: 89

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 since this one and 124 in the 30 days before it.

After

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75433302 (also filed as us7000tgg2). Read Tue, Sep 22, 2026, 8:52 AM UTC.