COBB, Calif. – A 3.0-magnitude earthquake was reported in the Cobb area on Tuesday morning.

The quake, which occurred at 8:45 a.m., was centered two miles north northeast of The Geysers geothermal steamfield, four miles west southwest of Cobb and six miles west northwest of Anderson Springs, according to a preliminary report from the US Geological Survey.

The survey said the quake was recorded at a depth of 2.1 miles.

One shake report had been filed by noon from Calistoga, according to US Geological Survey records.

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