A preliminary 4.2 magnitude earthquake struck in northern Sonoma County Friday afternoon, according to the United States Geological Survey.
The quake hit at 1:28 p.m. and was centered 2.9 miles southwest of Cobb, 13.5 miles south-southwest of Clearlake, 13.8 miles north-northeast of Healdsburg and 17.1 miles north of Windsor, the USGS said.
The temblor was followed by a preliminary 3.0 magnitude earthquake that struck the same area at 2:23 p.m., according to the USGS.
No other information was immediately available.
This is a developing story. Details may change as more information becomes available. Stay tuned for updates.
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