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Soputan eruption (Sulawesi, Indonesia)

Thu, 28 Apr 2005, 15:37
15:37 PM | BY: TOM PFEIFFER

From the GVP/USGS Weekly Volcanic Activity Report (20-26 April 2005):


Soputan volcano began to erupt on 20 April at 0630, with a plume reaching ~1 km above the volcano's summit (~9,100 ft a.s.l.) and drifting SE. In addition, lava fountains rose ~200 m above the volcano (~6,500 ft a.s.l.). During 20 April at 1720 to 21 April at 0900, lava fountains rose 75-100 m above the volcano (6,100-6,200 ft a.s.l.). Rapid dome growth occurred and by 21 April the lava dome had spread about 250 m E and 200 m SW. On 22 April a "white ash plume" rose ~100 m above the volcano (~6,200 ft. a.s.l.) and on 23 April a "dark gray ash" plume rose to ~150 m (~6,300 ft a.s.l.) and drifted NE. Ash eruptions continued through 24 April, producing plumes to ~300 m above the volcano (~6,800 ft a.s.l.). Soputan was at Alert Level 2 (on a scale of 1-4).



Sources: Directorate of Volcanology and Geological Hazard Mitigation
http://www.vsi.esdm.go.id/news/index.htm
Soputan Information from the Global Volcanism Program
http://www.volcano.si.edu/world/volcano.cfm?vnum=0606-03=

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