Indonesia is the largest
archipelago country in the world with 13,466 islands named, of
1.922.570 km² of land area and 3,257,483 km² of water area with 10 Neighboring
countries.
About 13 % of the world’s active
volcanoes are
located in Indonesia. Tectonically, the active volcanoes are the result of a
collision between Indian-Australian, Eurasian, and Philippine Plates
(Zaennudin, 2010).
