An Analysis of Standard Method for Developing Effective Flood Hazard Map

－Based on the Analysis of All Municipality Hazard Maps in Hyogo Prefecture

Abstract

According to amendment of the Flood Control Law, all municipalities in Japan which have flood risk are obliged to make flood hazard map and to demonstrate flood risk to the public. Before March 31, 2010, 1109 of 1302 municipalities have already completed manufacture of flood hazard map. However,the contents, design of these hazard maps are various that make the hazard maps hardly provide people effective information while evacuating from flood. It is important to develop effective hazard map for saving human lives. This paper proposes a standardized method for developing effective hazard map based on the analysis of all municipality hazard maps in Hyogo Prefecture.