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COBB, Calif. – Two moderate-sized earthquakes were reported near The Geysers geothermal steamfield on Saturday afternoon.
The US Geological Survey said in its preliminary reports that the quakes each measured 3.4 in magnitude.
The first quake occurred at 1:35 p.m. and was centered one mile north northwest of The Geysers and 14 miles south southwest of Clearlake, at a depth of 1.1 miles, the USGS said.
The survey received shake reports from Angwin, Kelseyville and San Francisco.
The second quake occurred at 4 p.m. and was centered one mile north northeast of the geysers and 13 miles south southwest of Clearlake, at a depth of 1.4 miles, according to the USGS report.
The USGS received shake reports from Middletown, Brentwood, Calistoga and San Francisco for the second quakes.
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