A massive magnitude 8.8 earthquake struck off Russia's Pacific coast, sparking tsunami warnings and evacuations of coastal areas in Hawaii and alerts along the U.S. West Coast. In Russia, a camera captured the eruption of the Klyuchevskaya Sopka volcano -- the highest mountain in the region -- sending hot lava down its western slope.

Tsunami warnings have been issued in several countries after an 8.8-magnitude earthquake struck off the coast of Russia, with millions evacuated across Russia, the US and Japan

From Alaska to Puerto Rico, the U.S. has faced some of history’s most powerful tsunamis. As fresh waves hit Hawaii, Russia, and Japan in July 2025, here’s a look at 10 major tsunamis that show just how vulnerable America’s coasts remain.