Tsunami waves have reached Hawaii and California after a powerful earthquake occurred off the coast of Russia. Here's what you need to know about the tsunami's impact and how long it might last.

Passengers of the Pride of America from Norwegian Cruise Line docked in Hilo were expected to return to the harbor for a departure time of 6 p.m. Once the state of Hawaii declared a state of emergency due to the tsunami at approximately 2:45 p.m., the cruise liner had to abruptly set sail at 4 p.m.

Cars crowded evacuation routes in Honolulu after a massive earthquake across the Pacific spread fears of a devastating tsunami.