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This study is a part of the project of our faculty members titled "study of the restoration support of earthquake disasters using image processing and ad-hoc network"(ReSIA Project). The purpose of this study is to arrange the digital maps of Hamamatsu City and to construct the map information system to support the prediction and restoration of Tokai earthquake disasters. The authors arrange the land condition map and compute the populations of each land surface conditions and revealed that 35% of the whole population live in the safe land, but 65% live in the rather unsafe surface condition. The authors also arrange the digital map of the main lines of water supply pipe lines in corporation with the Hamamatsu City Water Supply Department and revealed the rather dangerous pipe line area in case of Tokai earthquake.