Share of the municipality covered by designated landslide warning and special-warning areas. Areas outside the zone are not risk-free.
In 2024, Higashi-ku, Hiroshima recorded the highest Landslide-hazard area share (56.71%) and Toyosato-cho, Shiga the lowest (0%) among 1,896 municipalities in Japan. The national average is 5.84%. Source: MLIT National Land Numerical Information — A33 Landslide Hazard Warning Areas (designated by prefectural governors under the Sediment Disaster Prevention Act).
Showing 1,896 of 1,896
▲ 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_landslide_warning_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.