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Numerical Modeling of the 26th December 2004 India Ocean Tsunami at Andaman and Nicobar Islands

K. Ilayaraja, M. Ioualalen, M. Chlieh, R. R. Krishnamurthy and M. V. Ramana Murthy
Journal of Coastal Conservation
Vol. 12, No. 3 (Sep., 2008), pp. 115-124
Published by: Springer
Stable URL: http://www.jstor.org/stable/40301480
Page Count: 10
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Numerical Modeling of the 26th December 2004 India Ocean Tsunami at Andaman and Nicobar Islands
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Abstract

A numerical simulation of the 26th December 2004 Indian Ocean tsunami for the Andaman and Nicobar Islands case study is presented. The simulation approach is based on a fully nonlinear Boussinesq tsunami propagation model and included an accurate computational domain and a robust coseismic source. The simulation is first confronted to available tide gauge and run-up observations. The agreement between observations and the predicted wave heights allowed a reasonable validation of the simulation. As a result a full picture of the tsunami impact is provided over the entire coastal zone of Andaman and Nicobar Islands. The processes responsible for coastal vulnerability are discussed.

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