A powerful new earthquake has struck off Japan’s northeastern coast only days after a major offshore shock triggered tsunami alerts and a rare “megaquake” advisory, leaving coastal communities on edge ...

A wall of water taller than most skyscrapers roared through a remote Greenland fjord, yet the strangest part of the story ...

Japan issued a megaquake advisory Tuesday after a magnitude 7.5 earthquake struck off the eastern coast of Aomori, the northernmost prefecture of Japan’s main island of Honshu, and just south of the ...