Earthquake disaster prevention area planning considering residents´ demand

The earthquake evacuation behavior of residents relates to geographical characteristics. The contingent plan considers proper disaster prevention living area for prompt reaction assumed the least nearest distances to safety shelter. This study takes into consideration of residents´ evacuation demand including shelter choice preference, intention of evacuation, weakness people of aged and children, and route of safety. In addition the supply side of designated shelter location, accessibility of road network, capacity of shelters and residential density are applied with Weighted Voronoi Diagram analysis for suitable disaster prevention living area planning. A case study area Shin-hua, Tainan Taiwan is selected for evidence and GIS (Geographic Information System) is used to demonstrate the planning results.