Halmahera, Ibu volcano

Written by on July 30, 2012 in Maluku Volcano with 0 Comments

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 m 4,347 feet

Latitude: 1.488°N 1°29’15″N

Longitude: 127.63°E 127°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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