Wednesday, April 11, 2012

Tsunami facts & Video | JWnews II

A tsunami is a series of ocean waves generated by sudden displacements in the sea floor, landslides, or volcanic activity. In the deep ocean, the tsunami wave may only be a few inches high. The tsunami wave may come gently ashore or may increase in height to become a fast moving wall of turbulent water several meters high.










NOAA has primary responsibility for providing tsunami warnings to the Nation, and a leadership role in tsunami observations and research.




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