Coastal Engineering Journal, Vol. 48, No. 2 (2006) 147–166 c  World Scientific Publishing Company and Japan Society of Civil Engineers TSUNAMI TRAVEL TIME COMPUTATION AND SKILL ASSESSMENT FOR THE 26 DECEMBER 2004 EVENT IN THE INDIAN OCEAN B. PRASAD KUMAR ∗ , R. RAJESH KUMAR † and S. K. DUBE ‡ Department of Ocean Engineering & Naval Architecture, Indian Institute of Technology, Kharagpur 721 302, West Bengal, India ∗ pkbhaskaran@naval.iitkgp.ernet.in † rajesh@naval.iitkgp.ernet.in ‡ skdube@iitkgp.ernet.in TAD MURTY Department of Civil Engineering, University of Ottawa, Canada smurty@hotmail.com AVIJIT GANGOPADHYAY School of Marine Science & Technology & Department of Physics, University of Massachussets at Dartmouth, USA agangopadhya@umassd.edu AYAN CHAUDHURI Department of Physics, University of Massachussets at Dartmouth, USA g achaudhuri@umassd.edu A. D. RAO Centre for Atmospheric Sciences, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi, India adrao@cas.iitd.ernet.in Received 30 September 2005 Revised 1 January 2006 147