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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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All images are between 83 kb and 156 kb

Surveying topography at Ibral Nagar Nalalevi using a hand level.  The vertical datum for the surveys was sea level at the time of the survey.  This datum was corrected once back in the office to both a tidal datum and sea level at the time the tsunami hit Sri Lanka.
 

Photo, surveying topographic profile

http://walrus.wr.usgs.gov/tsunami/srilanka05/handlevel.html
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last modified 14 February 2005 (lzt)