Finding the estimated flood scale＜Instructions＞

Here is how you can find the estimated maximum flood area and changes of water levels (with graphs and animation)

Display of the estimated maximum flood area of a levee failure point.

Display of the flood simulation graph

Display of the flood area animation

＜Contact for inquiries regarding functions, operation, etc. of the system＞
Geographic Department, Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport and Tourism
Please use the inquiry form here if you have any questions