The Bemmelen’s statement about Merapi’s volcano paroxysmal eruption at 1006 A.D. was a polemic till right now. Bemmelen stated that Merapi Volcano erupted explosively at 1006 A.D. There are many Indonesian scientists belief to Bemmelen’s statement because it based on long geologic survey and geomorphologic analysis. The further study about this topic needed due to make a right conclusion about any study about Merapi Volcano and Geomorphology of southwestern Merapi Volcano’s slope.
Hydrogeology World 