The quakes come a week after a magnitude 7.0 earthquake hit off the coast of California with shaking felt for miles.
Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?
Last week's earthquake off the coast of Humboldt County triggered a tsunami warning urging people across a huge swath of California and Oregon to evacuate. Why aren't tsunami warnings more precise?
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