Wednesday, April 28, 2010

The Biggest Tsunami




You might think that the world's biggest tsunami happened in Japan, but you are wrong. The Biggest tsunami happened in Alaska.

On July 9th, 1958, an earthquake hit Alaska Panhandle. The earthquake spreaded to northeastern shore of Lituya Bay. A mass of rock plunged down about 914 meters into the water. The impact generated a tsunami that crashed against the southwest shoreline of Gilbert Inlet. The wave hit with too much power that it went over the land that divided Gilbert Inlet and Lituya Bay. The wave continued along the Lituya Bay and then over La Chaussee and over Gulf of Alaska. The wave swept all the trees from elevations as high as 524 meters above sea level. Millions of trees were uprooted by the wave. That was the biggest tsunami.

Lituya Bay is a ice covered inlet on the northeast shore of Gulf of Alaska. It is about 11 kilometers long. 2 kilometers wide and it's 219 meters deep.

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