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.

A massive 8.0 magnitude earthquake has been recorded in Russia's Kamchatka Peninsula, causing shocks across the pacific and tsunami alerts in Hawaii, Alaska and Japan

A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska Peninsula. It was later downgraded to an advisory.