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

The U.S. Tsunami Warning Center has put the entire West Coast, including Washington and Oregon, on alert - while Hawaii residents have been told to seek high ground