FLOOD HAZARDS ASSESSMENT AND RESIDENTIAL FLOOD DAMAGE MAPPING IN HITOYOSHI PREFECTURE, JAPAN

Natural disasters are one of the things that have risks and hazards to population. This study aims simulate flood hazard calculate its impact on Hitoyoshi area, Japan residential areas. was chosen as case because area experienced a catastrophic in 2020 destroyed city. The calculation this is also based mapping land function, damage buildings, building materials, especially areas affected by floods city Hitoyoshi, Kumamoto. results indicate how much risk will be caused flooding, with simulations carried out ArcGIS software. In addition, simulated map overlaid buildings determine Area. research provide input for Japanese institution increasing natural against floods, dealing future disasters. Simulations been flooding making validating it prove accuracy data expected used applied several other countries besides Japan.