Wednesday, December 4, 2013

New map of Japan by GSI

The Geographical Survey Institute has released a new online interactive map of Japan.

What's interactive about it? Outside of the regular maps with volcanoes and historical pictures, they have added many layers of additional information. For instance, you can select the category 'disaster prevention' and view the crustal deformation from the GEJET per prefecture. It shows Tsukuba's ground surface subsided about 10 cm.
Areas in Aomori, Akita and Yamagata were raised about 3-10 cm, whereas the entire East coast from Iwate to Chiba experienced some amount of subsidence. The highest figure is -114 cm, on the coast line Northeast of Sendai city. All in all, a great map for scientific reference.

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