A tsunami warning has been issued for parts of California and Oregon, meaning residents are urged to move away from the coast or to high ground. The National Oceanic and Atmospheric Administration (NOAA)'s alert system issued the warning about 11:20 p.

A massive magnitude 8.8 earthquake struck off Russia's Pacific coast on Tuesday, sparking tsunami warnings -- and evacuations of coastal areas -- in Hawaii and alerts all down the U.S. West Coast. After the initial tsunami waves had washed ashore in Hawaii and along the West Coast,