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Tangkoko Vulkan

Aktualisiert: 25. Sep. 2022 08:05 GMT -
Schichtvulkan 1149 m / 3,770 ft
North Sulawesi, Indonesia, 1.52°N / 125.2°E
Aktueller Status: normal / ruhend (1 von 5)
Last update: 12 Dez 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

Tangkoko (also spelled Tonkoko, Tangkoko-Duasudara) is a stratovolcano 8 km north of the city of Bitung in NE Sulawesi, the most northeasterly of the volcanoes on the Island of Sulawesi, before the chain extends into the ocean as a chain of island volcanoes.
Tangkoko volcano is mostly known for its location within Tangkoko-Batuangas Dua Saudara National Park, home to tarsiers, a small primate with large eyes and active at night (nocturnal).

Interaktive Karte anzeigen
Typische Aktivität: Explosiv
Ausbrüche des Tangkoko: 1880, 1843-46, 1821, 1801, 1694, 1683, 1680 (Plinian eruption)

Letzte Erdbeben in der Nähe

No recent earthquakes

Beschreibung

Tongkoko volcano has a large 2 x 1 km wide and 200 m deep summit crater. In 1801, it contained a cone surrounded by a lake.
In 1801, a large, 3 km wide and flat-topped basaltic-andesitic lava dome called Batu Angus formed on the east flank of Tongkoko.
The slightly higher and older Dua Saudara stratovolcano is located only 3 km to the SW of Tongkoko, and along with Tongkoko, forms the most prominent features of Gunung Dua Saudara National Park.

2002 earthquakes
Increased seismic activity under Tongoko volcano was observed in 2002, prompting an increased of Alert Level from 1 to 2. The increasing seismicity is significant because of the long repose interval of the volcano and could suggest new magma rising towards the surface.

1680 eruption - climatic change
The eruption of 1680 of Tongoko volcano was a one of the major explosive eruptions in the past centuries.
Evidence of the release of aerosols high into the stratosphere has been found in Greenland Ice cores. In the year following the eruption, sunsets all over the world have been more colorful because of the dust veil, a recent study has suggests:
"Atmospheric effects of volcanic eruptions as seen by famous artists
and depicted in their paintings", C. S. Zerefos, V. T. Gerogiannis, D. Balis, S. C. Zerefos, and A. Kazantzidis, Atmos. Chem. Phys., 7, 4027–4042, 2007

See also: Sentinel hub | Landsat 8 | NASA FIRMS
Mi, 21. Apr 2010, 06:00

Tangkoko-Duasudara volcano (Sulawesi, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 April-27 April 2010 (New Activity / Unrest)

Based on analyses of satellite imagery, the Darwin VAAC reported that on 23 April a possible ash plume from Tongkoko rose to an altitude of 10.7 km (35,000 ft) a.s.l. [Note: The Darwin VAAC later stated that, according to CVGHM, the plume was caused by a fire and not an eruption.] ... Read all
Mi, 30. Okt 2002, 06:00

Tangkoko-Duasudara volcano (Sulawesi, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 October-5 November 2002 (New Activity / Unrest)

An increase in the number of volcanic earthquakes at Tongkoko since 24 October led VSI to raise the Alert Level from 1 to 2. The number of deep volcanic earthquakes decreased in comparison to the previous week. VSI reported that the increased number of shallow volcanic earthquakes indicated that seismicity was migrating to the surface. ... Read all
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