Tangkoko volcano, North Sulawesi, Indonesia: news & activity updates

Tangkoko-Duasudara volcano (Sulawesi, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 April-27 April 2010 (New Activity / Unrest)

Based on analyses of satellite imagery, the Darwin VAAC reported that on 23 April a possible ash plume from Tongkoko rose to an altitude of 10.7 km (35,000 ft) a.s.l. [Note: The Darwin VAAC later stated that, according to CVGHM, the plume was caused by a fire and not an eruption.] Read all

Tangkoko-Duasudara volcano (Sulawesi, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 October-5 November 2002 (New Activity / Unrest)

An increase in the number of volcanic earthquakes at Tongkoko since 24 October led VSI to raise the Alert Level from 1 to 2. The number of deep volcanic earthquakes decreased in comparison to the previous week. VSI reported that the increased number of shallow volcanic earthquakes indicated that seismicity was migrating to the surface. Read all

Tangkoko-Duasudara volcano (Sulawesi, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 October-22 October 2002 (New Activity / Unrest)

Relocation of an observatory to the area near Tongkoko provided scientists with previously unavailable seismic data. During 7-14 October, four deep-volcanic events were recorded at Tongkoko. This is significant because the volcano has been in repose for almost 122 years. Read all