Mount Ibu

Mount Ibu () is a stratovolcano at the north-west coast of Halmahera island, Indonesia. The summit is truncated and contains nested craters. The inner crater is wide and deep, while the outer is wide. A large parasitic cone is at the north-east of the summit and a smaller one at the south-west. The latter feeds a lava flow down the west flank. A group of maars are on the western and northern side of the volcano.
Latest activity.
In August 2009 Volcanological Survey of Indonesia raised the eruption alert level for Ibu to "Orange".