Interpretation of the recent changes on Anak Krakatau by comparing several satellite images (source: Dongeng Geologi)The attached image compares several detailed satellite images taken before, immediately after the tsunami on as well two and five days later, and gives an interpretation of what caused the tsunami (= a collapse of the western lava benches).Ĭomparing the morphology of the island as seen on the pictures, a plausible reconstruction of events would be as follows:Ģ2 Dec: part of the lava flow terrace that forms the western shores of Anak Krakatau collapse, probably involving a significant underwater volume.
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