Update: Earthquake of 2.9 magnitude registered near Cobb, CA on July 10

Published Jul 11, 2025

SONOMA COUNTY, CA — A 2.9 magnitude quake was reported close to Cobb Thursday night, according to the U.S. Geological Survey.

It was reported that a tremor shook the region at 10:46 p.m. The epicenter was located approximately 4 miles west-northwest of Cobb, at a depth of just 2 miles.

Did you feel it?

If you noticed the earthquake, you can share your experience using the USGS Felt Report form. The agency has received 7 responses on its online form so far, from people saying they experienced the quake. Weak shaking has been detected and people reported feeling the tremor in Middletown according to the USGS DYFI report.

DYFI Image

Last week’s quake

Over the last week, a magnitude 2.5 quake was recorded nearby, with the event occurring near Lake Pillsbury four days ago.

Source: The U.S. Geological Survey