This is the full raw footage filmed by some Japanese people on friday March 11th, 2011, during the tsunami which occured in northern Japan, following the 8.9 magnitude earthquake. According to the video, it was filmed in the Miyagi Prefecture (宮城) in the city of Kesennuma (気仙沼市) which has 74,000 inhabitants.
Important note : I did not filmed this footage and I cannot be held responsible for it. It was broadcasted on TV Asahi, a japanese TV channel. If it breaks any copyright, please advise me and I will remove the video.