6.5-magnitude earthquake strikes off coast of Northern California

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An earthquake with a magnitude of 6.5 struck about 100 miles off the coast of Northern California Thursday morning, according to the U.S. Geological Survey.

An earthquake with a magnitude of 6.5 struck about 100 miles off the coast of Northern California Thursday morning, according to the U.S. Geological Survey.

The quake struck at 6:50 a.m. and had a depth of 6.2 miles.

It hit about 110 miles off the coast of Eureka, which is 250 miles north of San Francisco.


USGS initially registered the earthquake as magnitude-6.9, but downgraded it about 15 minutes later.

The Pacific Tsunami Warning Center said there was no tsunami threat. There were also no immediate reports of damage or injuries.

A hotel front desk worker at the Gingerbread Mansion Inn in Ferndale, a city in Humboldt County, said the temblor was "definitely felt" for about 15-20 seconds, but there was no damage.

Two smaller-scale quakes followed just hours after the first. A 4.7-magnitude quake hit near the same epicenter about two hours later, and a 2.9 temblor struck southwest of Rio Dell at about 10 a.m.
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