Preliminary 2.8 magnitude quake rattles Sonoma County

A preliminary 2.8 magnitude earthquake shook Sonoma County early Saturday morning, according to the United States Geological Survey.

It struck at around 8:26 a.m., USGS said, and was centered around 3.6 miles southwest of the census-designated place Cobb and around 14.2 miles south southwest of the City of Clearlake. 

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Other information wasn’t immediately available.

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