More dramatic footage of the tsunami coming in. There’s one building that the water goes up against, and then through, and then, in a matter of about 10 seconds since the wave hit, the building is gone.
Includes some of the above, and a lot more besides, off Japanese TV:
Before and After aerial footage:
Helicopter rescue footage:
The tsunami even caught the Japanese Air Force unaware, which a number of (I think) F-16s picked up and carried into buildings or soaked with mud:
Interesting video from 2010 explaining Japanese preparation for earthquakes and tsunamis: