Here is a computer model of the tsunami:
http://www.youtube.com/watch?v=UG-8uT7emKQ
And some more videos:
http://www.youtube.com/watch?v=nTpFHKLSpDA
http://www.youtube.com/watch?v=VsdZmrIiHeI
http://www.youtube.com/watch?v=D-JwtO0-Yuo
http://www.youtube.com/watch?v=LxZ76UgtQp8
Check this video out....amazing view of the receding and surging tsunami waters in New Zealand:
http://www.youtube.com/watch?v=fJnll79S-Rw
More video of the tsunami in Hawaii:
http://www.youtube.com/watch?v=_KRdvpC35_k