An earthquake off the coast of Russia caused a swath of tsunami warnings, advisories and watches across the west coast of the U.S. Here's what officials say you should do in affected areas.

The first tsunami waves have hit mainland United States on Wednesday morning in Northern California, the National Weather Service Eureka announced.

Tsunami waves cover boat ramp; leave debris, damage in East Oahu High waters pushed over a parking stall curb and left debris in the Maunalua Bay parking lot.

Discover the impact of the 8.8 magnitude earthquake in Russia’s Far East, the tsunami warnings issued, and a glance at history’s most powerful quakes.

A powerful earthquake that struck off the coast of Russia generated tsunami warnings and advisories for a broad section of the Pacific, including Alaska, Hawaii and the U.S. West Coast.

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LOS ANGELES (KABC) -- A tsunami advisory was downgraded to a watch, and then completely lifted, for most of the Southern California coast after a massive earthquake near Russia. The advisory was ...

Our HNN crew found dozens gathered at Tantalus Lookout just hours before the first tsunami wave was set to hit the islands.

Anyone traveling in or near the Pacific and parts of Asia should stay alert, stay flexible, and above all, stay safe. The tsunami warning in Hawaii has now been downgraded to an advisory after a ...

HONOLULU ‒ The Hawaiian Islands were sent into chaos on the afternoon of July 29 as people braced for a tsunami warning across the state. Sirens blared every hour, urging people to evacuate the ...