A team of geographers led by Professor Yasuhiro Suzuki of Nagoya
University mapped the tsunami front (red line) and the areas of
severest damage (blue coloured) on 1:25,000 topographic maps, as
you see at:
http://danso.env.nagoya-u.ac.jp/20110311/map/index_e.html
Provision of GIS-based maps is also underway.