M4.0 Earthquake Rattles Mendocino County: USGS

Generic earthquake quake temblor
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A preliminary 4.0 magnitude earthquake struck early Friday in Mendocino County, according to the United States Geological Survey.

The quake, which shook at about 4:18 a.m., was centered about 27 miles north of Ukiah in the Mendocino National Forest, the USGS said.

No other information was immediately available. Updates to come.

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