The entire U.S. West Coast was facing a tsunami threat after an 8.8 magnitude earthquake erupted off Russia's eastern coast on Tuesday. A tsunami warning was issued in Hawaii, Northern California and in Alaska,

A magnitude-8.7 earthquake in Russia’s Far East early Wednesday prompted tsunami warnings in parts of Japan, Alaska and Hawaii. Damage and evacuations were reported in the Russian regions nearest the epicenter on the Kamchatka Peninsula.

A tsunami is not just one wave,” he said. “It’s a series of powerful waves over a long period of time. Tsunamis cross the ocean at hundreds of miles an hour — as fast a