日本为9平米人造岛claim200海里经济区

A tiny Japanese island may complicate the recent ruling in the South China Sea

https://www.businessinsider.com/okinotorishima-japan-island-2016-7

If in fact Japan’s claim of its sovereign 200-nautical mile exclusive economic zone (EEZ) from Okinotori remains uncontested, Japan would be able to oversee all shipping activity within that radius.