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Halmahera, Ibu volcano

Halmahera, Ibu volcano

http://www.volcano.si.edu/world/volcano.cfm?vnum=0608-03=

ibu

Country:Indonesia
Subregion Name:Halmahera (Indonesia)
Volcano Number:0608-03=
Volcano Type:Stratovolcano
Volcano Status:Historical
Last Known Eruption:2011 (in or after)
Summit Elevation:1325 m4,347 feet
Latitude:1.488°N1°29’15″N
Longitude:127.63°E127°38’0″E
The truncated summit of Gunung Ibu stratovolcano along the NW coast of Halmahera Island has large nested summit craters. The inner crater, 1 km wide and 400 m deep, contained several small crater lakes through much of historical time. The outer crater, 1.2 km wide, is breached on the north side, creating a steep-walled valley. A large parasitic cone is located ENE of the summit. A smaller one to the WSW has fed a lava flow down the western flank. A group of maars is located below the northern and western flanks of the volcano. Only a few eruptions have been recorded from Ibu in historical time, the first a small explosive eruption from the summit crater in 1911. An eruption producing a lava dome that eventually covered much of the floor of the inner summit crater began in December 1998.

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