Mount Gamkonora
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Mount Gamkonora is a
stratovolcano A stratovolcano, also known as a composite volcano, is a typically conical volcano built up by many alternating layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with ...
on
Halmahera Halmahera, formerly known as Jilolo, Gilolo, or Jailolo, is the largest island in the Maluku Islands. It is part of the North Maluku Provinces of Indonesia, province of Indonesia, and Sofifi, the capital of the province, is located on the west coa ...
island,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
. With an elevation of , it is the highest peak on the island. It has produced an elongated series of
crater A crater is a landform consisting of a hole or depression (geology), depression on a planetary surface, usually caused either by an object hitting the surface, or by geological activity on the planet. A crater has classically been described ...
s along the north–south rift. Mount Gamkonora is an active volcano that produced 13 eruptions with indices from 1 to 5 on the
Volcanic Explosivity Index The volcanic explosivity index (VEI) is a scale used to measure the size of explosive volcanic eruptions. It was devised by Christopher G. Newhall of the United States Geological Survey and Stephen Self in 1982. Volume of products, eruption c ...
(VEI). The largest eruption occurred on 20 May 1673 ( VEI-5) and was accompanied by a
tsunami A tsunami ( ; from , ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and underwater explosions (including detonations, ...
which inundated the nearby villages. Between 1564 and 1989 the
volcano A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most oft ...
erupted twelve times. The volcano erupted again on 10 July 2007, with over 8,000 people reported to have fled their homes in the vicinity.


See also

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List of volcanoes in Indonesia The geography of Indonesia is dominated by volcanoes that are formed due to subduction zones between the Eurasian plate and the Australian plate, Indo-Australian plate. Some of the volcanoes are notable for their eruptions, for instance, Krak ...
*
List of ultras of the Malay Archipelago This is a list of ultra prominent peaks (with topographic prominence greater than 1,500 metres) in the Malay Archipelago, a group of over 25,000 islands which includes Brunei, Singapore, East Malaysia, Indonesia, the Philippines and East Timor. How ...


References

Stratovolcanoes of Indonesia Active volcanoes of Indonesia Mountains of Indonesia Volcanoes of Halmahera VEI-5 volcanoes Holocene stratovolcanoes {{NMaluku-geo-stub