COBB, Calif. – A 3.7-magnitude earthquake was reported near The Geysers geothermal steamfield early Tuesday.
The quake occurred at 3:11 a.m., according to the US Geological Survey.
The survey said the quake was recorded at a depth of 1.4 miles, and was centered five miles northwest of The Geysers, 13 miles southwest of Clearlake and 15 miles north of Healdsburg.
Some Lake County News readers reported being jolted awake by the quake.
Shake reports were submitted to the US Geological Survey from Cloverdale, Kelseyville, Lakeport, Middletown, Napa and St. Helena.
A 4.5-magnitude quake occurred three miles northwest of The Geysers on Jan. 12, as Lake County News has reported.
Email Elizabeth Larson at This email address is being protected from spambots. You need JavaScript enabled to view it. . Follow her on Twitter, @ERLarson, or Lake County News, @LakeCoNews.