FERNDALE, Humboldt County (AP) — A magnitude-4.2 undersea earthquake has jiggled communities along California’s far north coast.

The Humboldt County sheriff’s office says there were no reports of damage or injury from the predawn Tuesday quake.

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The U.S. Geological Survey said the 5:28 a.m. temblor was centered in the ocean 16 miles west-northwest of Ferndale and 21 miles west-southwest of Eureka.

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Residents posting to the USGS community Internet intensity map reported the shaking as light to weak.

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