Municipalities with the lowest tsunami risk in Kumamoto

20 municipalities in Kumamoto, ordered by lowest tsunami risk.Lower means a smaller expected inundation area

29 municipalities without data are excluded.

Built at 2026-09-11T03:43:40.354Z. Sources for each value are on the municipality pages, under “Source”.

Summary

The median in Kumamoto is 0.5%, compared with 1.7% nationwide.
Of the 20 municipalities in Kumamoto, 11 are on the better side of the nationwide median.
The lowest value is 0.0%, shared by 6 municipalities.
The highest is 氷川町 (32.1%).

Rank	Municipality	Value
1	熊本市中央区	0.0%
2	熊本市北区	0.0%
3	水俣市	0.0%
4	美里町	0.0%
5	南関町	0.0%
6	甲佐町	0.0%
7	津奈木町	0.1%
8	苓北町	0.2%
9	芦北町	0.2%
10	荒尾市	0.3%
11	天草市	0.7%
12	上天草市	1.7%
13	長洲町	5.5%
14	宇土市	9.1%
15	八代市	9.5%
16	宇城市	9.8%
17	熊本市西区	10.6%
18	熊本市南区	11.9%
19	玉名市	19.1%
20	氷川町	32.1%

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All municipalities in Kumamoto