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The Largest Tsunami Ever Measured on Earth

U.S.G.S. Aerial photo of Lituya Bay above taken after July 9, 1958 event. Note the extent of the non-forested areas of land lining the shore of the bay, which marks the approximate reach of the tsunami's runup.

Breaking Earth News: Alaska, USA
Dec 26, 2006
The biggest tsunami ever measured occurred in Lituya Bay, Alaska, on July 9, 1958. It was 1,720 feet high — that’s taller than any building in the world, almost 300 feet taller than the Sears Tower in Chicago, and about 350 feet taller than the World Trade Center in New York City was.The trigger was a 7.5 magnitude earthquake, but the tsunami itself was created by a landslide that followed the earthquake.
“Big chunks of ice were falling off the face of (the glacier) and falling into the water,” said an observer who watched from a fishing boat. “They came off the glacier like a big load of rocks spilling out of a dump truck.


FYI: Extreme Science
World Tsunami Record

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