Mount Sinabung
| Mount Sinabung | |
|---|---|
|
Gunung Sinabung (Indonesian) Deleng Sinabung (Karo) |
|
Sinabung in 2010
|
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| Highest point | |
| Elevation | 2,460 m (8,070 ft) |
| Listing | Ribu |
| Coordinates | 3°10′12″N 98°23′31″E / 3.17°N 98.392°ECoordinates: 3°10′12″N 98°23′31″E / 3.17°N 98.392°E |
| Geography | |
| Geology | |
| Age of rock | |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | Sunda Arc |
| Last eruption | 2013 to 2017 (ongoing) |
Mount Sinabung (Indonesian: Gunung Sinabung, also Dolok Sinabung,Deleng Sinabung,Dolok Sinaboen,Dolok Sinaboeng and Sinabuna) is a -to-Holocene stratovolcano of andesite and dacite in the Karo plateau of Karo Regency, North Sumatra, Indonesia, 25 miles from the Lake Toba supervolcano. Many old lava flows are on its flanks and the last known eruption, before recent times, occurred in the year 1600.Solfataric activities (cracks where steam, gas, and lava are emitted) were last observed at the summit in 1912; recent documented events include an eruption in the early hours of 29 August 2010 and eruptions in September and November 2013, January, February and October 2014. A pyroclastic flow in May 2016 killed 7 people. Between 2013 and 2014 the alert for a major event was increased with no significant activity. On 2 June 2015 the alert was again increased, and as of 26 June 2015 at least 10,000 people have been evacuated, fearing a major eruption. The long eruption of Mount Sinabung is similar to Mount Unzen in Japan, which erupted for five years after lying dormant for 200 years.
Mount Sinabung is a Pleistocene-to-Holocene stratovolcano. It is located in a relatively cool area on a fertile plateau with mountains bounding the north. The summit crater of the volcano has a complex, longer form due to vents migrating on the N-S line. The 2,460 meter high andesitic-todacitic volcano comes from the Sunda Arc. This is created by the subduction of the Indo-Australian Plate under the Eurasian Plate. The Andaman Islands are on the North-Northwest bound of the arc while the Banda Arc is on the East. Sinabung has a total of four volcanic craters, one of them being active currently.
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