17 Jan 2017
Typical eruption style
Ibu volcano eruptions
: 2012-ongoing, 2009, 2008, 2004-05, 2001, 1998-99, 1911
|Time||Mag. / Depth||Distance||Location|
|Fri, 10 Feb|
|Fri, 10 Feb 23:26 UTC||M 4.7 / 134.7 km||27 km||- 65km W of Tobelo, Indonesia|
Only a few eruptions have been recorded from Ibu in historical time, the first was 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.
Ibu volcano, located along the NW coast of Halmahera Island, is a stratovolcano with a truncated summit and a number of 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.
The lava flow emerging from its tube. Caused by friction and the sudden contact with cold air, successive segments of crust form at the exit, resulting in a progressive d...
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Ibu volcano toursVolcanoes and Spices
(17 days volcano trekking tour to the Molucca Sea: N-Sulawesi, Karangetang and Halmahera)