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USGSSeptember 12, 2026

M2.9 earthquake, 4 km W of Cobb, CA

A magnitude 2.9 earthquake was recorded 4 km W of Cobb, CA at a depth of 1 km, according to the U.S. Geological Survey. It was the 8,969th earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.

M2.9

The notice

Issued by
U.S. Geological Survey
Area
4 km W of Cobb, CA
State
California
Magnitude
2.9 (duration magnitude)
Depth
1.1 km
Time
2026-09-12 18:39:21 UTC
Felt reports
1 people told the USGS they felt it (strongest reported intensity 2.7)
Status
automatic solution (may be revised)
Epicentre
38.821, -122.765
Official source
U.S. Geological Survey: the notice at its source

Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.