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.

The first waves have started to hit the US west coast, as authorities urge people to take action and move away