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Mount Ibu
Mount Ibu ((インドネシア語:Gunung Ibu)) is a stratovolcano located at the northwest coast of Halmahera island, Indonesia. The summit is truncated and contains nested craters. The inner crater is 1 km wide and 400 m deep, while the outer is 1.2 km wide. A large parasitic cone is located at the northeast of the summit and a smaller one at the southwest. The latter feeds a lava flow down the west flank. A group of maars are located on the western and northern side of the volcano.〔 ==Latest activity== August 2009 Volcanological Survey of Indonesia raised the eruption alert level for Ibu to "Orange".〔(Ibu alert "Orange" )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Mount Ibu」の詳細全文を読む
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