The tsunami could be spotted hitting the coast in Oarai, Ibaraki prefecture, Japan, as the impact of the earthquake that hit off the coast of Russia continues to ...

A new study finds that a megatsunami in Alaska pushed water more than 1,500 feet up the sides of a fjord near Juneau. Researchers say more monitoring is needed to prevent future catastrophes.

A new study finds that a megatsunami in Alaska pushed water more than 1,500 feet up the sides of a fjord near Juneau.