December 3, 2021
"Let's measure the distance from Okinotorishima and Minamitorishima Islands!Map" was added to the special content!

Okinotorishima and Minamitorishima are isolated islands in the sea far away. Why don't you feel the location of each island on the Geographical Survey Institute map?
We also introduce the locations of electronic reference points on both islands, so try measuring various distances from places you know, such as your home, to Ryoshima, and from Okinotorishima to Minamitorishima. What do you think. Click here for "Let's measure the distance from Okinotorishima and Minamitorishima Islands!Map"