Here's what we know about what caused the earthquake off Russia's Far East and why the tsunami it generated weren't as big as ...

The 1964 event, considered the worst tsunami disaster recorded in the United States, began with a 9.2-magnitude earthquake in Alaska, according to the Crescent City website. Three smaller waves caused ...

A tsunami has sent waves into Russia, Japan, Hawaii and the West Coast of the United States after an 8.8 magnitude earthquake ...