The U.S. Tsunami Warning System said a tsunami watch was in effect for of California, Washington and Oregon on Tuesday after an 8.7 earthquake in Russia

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.

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.