Report on Soputan (Indonesia) — 21 January-27 January 2015

Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 21 January-27 January 2015
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2015. Report on Soputan (Indonesia). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 21 January-27 January 2015. Smithsonian Institution and US Geological Survey.

Volcano Profile |  Complete Weekly Report |  Download PDF [future] |  Export Citation [future]


Soputan

Indonesia

1.112°N, 124.737°E; summit elev. 1785 m

All times are local (unless otherwise noted)


Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that on 21 January an ash plume from Soputan rose to an altitude of 3.7 km (12,000 ft) a.s.l. and drifted over 35 km SW.

Geologic Background. The Soputan stratovolcano on the southern rim of the Quaternary Tondano caldera on the northern arm of Sulawesi Island is one of Sulawesi's most active volcanoes. The youthful, largely unvegetated volcano rises to 1784 m and is located SW of Riendengan-Sempu, which some workers have included with Soputan and Manimporok (3.5 km ESE) as a volcanic complex. It was constructed at the southern end of a SSW-NNE trending line of vents. During historical time the locus of eruptions has included both the summit crater and Aeseput, a prominent NE-flank vent that formed in 1906 and was the source of intermittent major lava flows until 1924.

Source: Darwin Volcanic Ash Advisory Centre (VAAC)