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Karangetang volcano on Siau Island (2006, photo: Donald Tapehe)
Karangetang volcano on Siau Island (2006, photo: Donald Tapehe)

Latest news:

Thursday, May 17, 2012
Darwin VAAC reported that on 14 May an ash plume from Karangetang rose to an altitude of 3.7 km (12,000 ft) a.s.l. and drifted 130 km SE.
On 16... [more]
Friday, Mar 18, 2011
The activity of Karangetang volcano is increasing. The Indonesian Volcanological Survey has raised the highest level of alert (4), after pyroclastic f... [more]

Karangetang volcano

stratovolcano 1784 m (5,853 ft)
Siau Island, Sangihe Islands, Indonesia, 2.78°N / 125.48°E
Current status: erupting (4 out of 5)
Karangetang webcams / live data
last update: 17 May 2012 (occasional ash eruptions reaching 3-4 km altitude)
Typical eruption style: Explosive. Formation of lava domes and pyroclastic flows.
Karangetang volcano eruptions: 1675, 1712, 1825, 1864, 1883, 1886, 1887, 1892, 1899, 1900, 1905, 1921, 1922, 1924, 1926, 1930, 1930, 1935, 1940, 1940, 1941, 1947, 1947, 1948, 1949, 1952, 1953, 1961, 1961, 1962-62, 1965-67, 1967, 1970-71, 1972-76, 1976-77, 1978, 1979, 1980, 1982, 1983-88, 1989, 1991-93, 1995, 1996-97, 1998, 1999-2003, 2004-2005. 2008-9, 2010, 2011 Karangetang volcano on Api Siau Island
Karangetang (Api Siau) volcano is one of Indonesia's most active volcanoes. Located on the remote Api Siau Island north of N Sulawesi, it is notorious for building lava domes and producing dangerous pyroclastic flows.

Background:

Karangetang (or Api Siau) volcano lies at the northern end of the island of Siau, north of Sulawesi. The 1784-m-high stratovolcano contains five summit craters along a N-S line. Karangetang is one of Indonesia's most active volcanoes, with more than 40 eruptions recorded since 1675 and many additional small eruptions that were not documented.

Twentieth-century eruptions have included frequent explosive activity sometimes accompanied by pyroclastic flows and lahars. Lava dome growth has occurred in the summit craters; collapse of lava flow fronts has also produced pyroclastic flows.
5 eruptions in the 20th century (1940, 1972, 1976, 1983 and 1991) caused fatalities.
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Source: GVP, Smithsonian Institution