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Soputan Volcano - John Seach
Sulawesi, Indonesia
1.11 N, 124.73 E
summit elevation 1784 m
stratovolcano
Soputan Volcano is located in northern Sulawesi, Indonesia. The volcano is only 3 km from Sempu, which is essentially the same volcanic system.
Soputan volcano is situated on a SSW-NNE fracture zone.
Historical eruptions have taken place at the summit and a NE flank vent (Aeseput).
A lava dome has been growing at the volcano since 1991.
2008 Eruptions
An eruption occurred at Soputan Volcano on 6th October 2008. Ash was emitted to a height of 1000 m. The nearest villages are 8 km from the crater, and no evacuations were necessary. A lava dome has continued to grow in the crater since 1991. Eruptions are usually occurring from the lava dome. The volcano was increased to level 3 alert (Siaga), out of a maximum 4.
Soputan volcano in Indonesia erupted at 10 am (local time) on 6th June, 2008. Pyroclastic flows were recorded extending 4 km from the summit, and ash emissions reached 2 km above the volcano. Between March and June 2008 there was an increase in ground temperatures and elevated seismicity at the volcano. During May there were 2 volcanic earthquakes per day. On 6th June there were 6 volcanic earthquakes, and volcanic tremor was recorded.
2007 Eruption
On 14th August 2007 an eruption of Soputan sent ash to a height of 4.6 km. Residents near the volcano were reported to be wearing face masks, but no evacuations occurred. The nearest village is 11 km from the crater. On 25th and 30th of October, lava flowed 500-600 m down the west flank. A 6 km exclusion zone was placed around the crater.
1973 Eruptions
Phreatic eruptions occurred in 1973.
1915 Eruption
In 1915, activity migrated 575 m southeast to a second parasitic vent, Aesoput Weru.
1901 Eruption
In 1901, activity switched from the summit to a parasitic vent on the north-northwest flank and resulted in the eruption of several lava flows and the building of a 150-m-high cinder cone, Aesoput.
Soputan Volcano Eruptions
2008, 2007, 2006, 2005, 2004, 2003, 2000, 1991-93, 1991, 1989, 1985, 1984, 1982, 1973, 1971, 1970, 1968, 1966-67, 1953, 1947,1923-24, 1917, 1915, 1913, 1911-12, 1910, 1908-09, 1907, 1906, 1901, 1890, 1845, 1833?, 1819, 1785