MOUNT KARANGETANG / SIAU ISLAND
MOUNT KARANGETANG / SIAU ISLAND Print

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.

 

Karangetang (Api Siau) volcano volcano

Volcano type

Stratovolcano

Location

Sangihe Islands (Indonesia), 2.78°N / 125.48°E

Summit elevation

1784 m (5,853 ft)

Last 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 (ongoing)

Typical eruption style

Explosive. Formation of lava domes and pyroclastic flows.

  Source: GVP, Smithsonian Institution