Horrible tragedy. The death toll is likely to be in the 10's of thousands.
Below is a clip of news coverage of the wave coming onshore and way inland. Taken from a helicopter, the clip runs 16 minutes. You could not out run this thing, and even a lot of people in cars were overtaken. It just keeps coming and coming and coming. Eventually the front edge of the wave is more debris than water, but it just will not stop.
http://www.youtube.com/watch?v=G3K1w7u04Zo&feature=player_embeddedI couldn't get the youtube to link properly.