Unlike smaller tsunamis, which may only produce waves a few feet high, mega tsunamis are on a completely different scale.

Scientists are warning that a catastrophic mega-tsunami could strike the U.S. West Coast — and it could be as tall as 1,000 ...

A giant boulder in Tonga rode a wave from an ancient tsunami 7,000 years ago. The 1,300-ton rock traveled a distance twice ...

Online videos and posts warning people about travelling to Japan have attracted millions of views.  Read more at straitstimes ...

Holidaymakers were ordered to "move away from the coast immediately" following an earthquake. Schools and public buildings ...

“The biggest danger is not just the wave itself ... In Hawaii, volcanic islands have a long history of mega tsunamis caused by collapsing volcanoes. About 105,000 years ago, a 1,000-foot ...

Cascadia’s mega-tsunami risk looms large with a 1,000-foot wave possible. Coastal towns have just 10 minutes to escape as a ...

A tsunami warning has been issued for Crete after a 6.1 magnitude earthquake struck the Greek island early this morning ...

Holiday bookings to Japan from key Asian markets have plunged ahead of the busy summer season. The cause: Rumors of an ...