New evidence suggests current estimates about tsunami size and how quickly waves make it to shore may be too high and too ...

Miller says a tsunami from the Semidi could be as big as the one that struck Japan in 2011. "I think the public just needs to be aware that tsunamis of this magnitude can occur, and they can cause ...

Indeed, the largest tsunami on record, which pounded southeastern Alaska back in 1958, was so huge that its effects can still be seen from space more than six decades on.

Energy and Environment One of the biggest tsunamis ever recorded was set off three years ago by a melting glacier. The wave generated was as high as 600 feet in a narrow Alaskan fjord.

And what was the biggest tsunami ever? When a tsunami reaches land it will have slowed to anywhere between probably 5 - 40 kilometres an hour but you'd have to be an Olympic athlete to outrun it.

Japan’s government on Saturday warned of more possible strong earthquakes in waters southwest of its main islands, but urged ...

On Jan. 26, 1700, an earthquake on the Cascadia fault caused the forest to lurch downward by more than 3 feet. Soon after, a tsunami perhaps 100 feet high barreled through at 20 or 30 mph.

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

How earthquakes trigger tsunamis “When it comes to the Cascadia subduction zone — that big one we talk about so much — how that generates a tsunami is when plates slip, it moves a column of ...

Nicknamed the “Big One,” the Cascadia subduction zone earthquake would be 9.0 magnitude and inflict untold damage upon Tacoma, Pierce County.