A preliminary 4.9 magnitude earthquake struck Friday morning off the Northern California coast, according to the United States Geological Survey.
The quake hit at 7:09 a.m. and was centered out in the Pacific Ocean about 70 miles southwest of Eureka, the USGS said.
Another earthquake struck off the coast of San Francisco at 1:32 p.m., according to the USGS.
No other information was immediately available.
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This is a developing story. Details may change as more information becomes available. Stay tuned for updates.
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