The largest recorded tsunami was a wave 1720 feet tall in Lituya Bay, Alaska
Jun 21, 2010 I Uncategorized.On the night of July 9, 1958 an earthquake all along the Fair-weather Fault in the Alaska Panhandle loosened about
40 million cubic yards (30.6 million cubic meters) of rock high above the northeastern shore of Lituya Bay.
This mass of rock thrust from an altitude of approximately 3000 feet (914 meters) down into the
waters of Gilbert Inlet (see map below). The impact produced a local tsunami that crashed against the southwest shoreline of Gilbert Inlet. The wave strike with such power that it swept completely over the spur of land that separates Gilbert Inlet from the main body of Lituya Bay.
The wave then persisted down the entire length of Lituya Bay, over La Chaussee Spit and into the Gulf of Alaska. The force of the wave eliminated all
trees and vegetation from elevations as high as 1720 feet (524 meters) above sea level. Millions of trees were deracinated and swept away by the wave. This is the highest wave that has ever been known.
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Jun 21, 2010, 12:41 am