Tsunami waves reached Hawaii and the West Coast after one of the strongest earthquakes in recorded history, a magnitude 8.8 temblor, struck off Russia's Kamchatka Peninsula on July 29 before most of the warnings were downgraded hours later.

A massive earthquake off the coast of Kamchatka, Russia has triggered a series of tsunami alerts for Hawaii, Alaska, and the U.S. West coast. The earthquake was measured at an 8.7 on the Richter scale according to the U.

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