Loading data for JapanLining up the latest figures for all 47 prefecturesPulling together quakes, weather, and live camerasBuilding the map layers
Share of the municipality covered by designated tsunami-inundation areas. Only coastal municipalities carry a value.
Source: MLIT National Land Numerical Information — A40 Tsunami Inundation Assumed Areas
Showing 1,504 of 1,504
▲ The top 5 are tinted sky, ▼ the bottom 5 amber. Ties share a rank (standard competition ranking).
The same metric at prefecture level lives at /ranking/muni_tsunami_inundation_area_share. For each municipality’s trend and detail, open its page from the municipality index.
Note: trend charts live on each municipality page (/municipality/{code}). This page does one thing — line up the whole country on a single axis.