8.8-magnitude earthquake sends small tsunami into coasts of Russia, Japan and Alaska TOKYO (AP) — One of the world’s strongest earthquakes has struck Russia’s Far East and caused small tsunami waves in the northern Pacific. Waves up to 1.6 feet were reported in Japan, and smaller waves washed ashore in Alaska's Aleutian Islands. People were advised to move to higher ground in multiple locations and that the potential tsunami danger may last for more than a day.