A magnitude 8.8 earthquake that struck near Russia's Kamchatka Peninsula has placed the entire West Coast of the United States under a tsunami advisory, with waves expected to reach the California coast at around 1 a.

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.

Tsunami waves hit the West Coast of the United States after a massive 8.8-magnitude earthquake, one of the most powerful ever recorded, struck off Russia’s coast. The impact is causing piers to close in California amid tsunami advisories and water surging in Hawaii.