COBB, Calif. – A magnitude 3.5 earthquake rattled parts of the south county on Friday morning.
The US Geological Survey said the quake occurred at 5:58 a.m.
It was centered five miles northwest of The Geysers steamfield and 14 miles southwest of Clearlake, at a depth of just under one mile, the survey reported.
The survey received shake reports from seven zip codes, including Kelseyville and Middletown within Lake County, Calistoga and St. Helena in Napa County, and Cloverdale, Geyserville and Santa Rosa in Sonoma County.
Friday's quake is the largest reported in the Cobb area since a 3.4-magnitude temblor that occurred on Jan. 15, according to US Geological Survey records.
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3.5-magnitude quake hits Cobb area
- Elizabeth Larson
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