Tsunami advisories were issued in Hawaii, Alaska and Japan after a powerful 8.0 earthquake struck off Russia's coast.

A magnitude 8.0 earthquake struck off the Russian coast Tuesday night, prompting a tsunami advisory for the Aleutian Islands in Alaska and a tsunami watch for Hawaii.

Tsunami alerts issued for Hawaii and Alaska after massive earthquake off Russia - The earliest waves from a potential tsunami would arrive in Hawaii around 7:17pm Hawaii Standard Time