A preliminary magnitude 3.2 earthquake shook Mendocino County Saturday morning, according to the United States Geological Service.
USGS reports that the quake struck at around 10:32 a.m. It was centered under a mile north northwest of the census designated palace of Potter Valley, and around 37 miles northwest of the city of Clearlake.
USGS originally reported the quake as a magnitude 3.5, but later downgraded it to magnitude 3.2. No other information was immediately available.
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