lundi, avril 22, 2013
Indonesian volcanologists raised the alert level to 3 out of 4 ("Siaga", alert) on 19 April. The decision was based on an increase in block avalanches and seismicity including numerous volcanic-tectonic VA earthquakes (rock fracturing) and long-period VB events corresponding to internal fluid movements. [details]
jeudi, déc. 06, 2012
Seismicity at Soputan decreased during 1-26 November. The Alert Level was lowered to 2 (on a scale of 1-4) on 27 November. [details]
Soputan volcanThe small 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 Sempu volcano. 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.
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