Mega-Tsunamis from Landslides

[JustStuit]

Have you guyz heard about these Mega-Tsunamis? They form from large landslides and can be much taller and more desructive than a tsunami. A show on discovery said that a part of La Palma island off Africa is gonna break off in like a century or so. It would create a huge wave headed to America. Whats your opinions on this?

 

They showed this on a show on discovery, and they may have exaggerated some things because Wikipedia said different stuff.

 

http://en.wikipedia.org/wiki/Megatsunami

 

and the discovery show was

http://dsc.discovery.com/schedule/episode.jsp?episode=0&cpi=23086&gid=0&channel=DSC

but the link says little about it.