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Tsunamis and Earthquakes

The December 26, 2004 Indian Ocean Tsunami: Initial Findings on Tsunami Sand Deposits, Damage, and Inundation in Sri Lanka

Survey and Methods


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Taking sediment samples for grain-size analysis, microfossil content, mineralogy, and chemistry. Laboratory analyses of the samples, in conjunction with modeling, give information about where the tsunami brought the sand from and flow during the tsunami.

Photo, sampling sediment

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last modified 2005