抄録
The road and the buildings collapsed by the Mt. Usu having erupted on 31 March 2000. Moreover, there was forest damage by the fallout of volcanic ash. The research purpose is to grasp of the current state of the forest around the Mt. Usu, and to make of the fallout distribution map and the forest damage classification map with satellite images combining forest GIS for practical use. These maps and information are opened to the public on the home page in Internet. Moreover, material was used for the fixation of the disaster restoration area on the site.
