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Report on Tangkubanparahu (Indonesia) — 31 December-6 January 2015

Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 31 December-6 January 2015
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2014. Report on Tangkubanparahu (Indonesia). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 31 December-6 January 2015. Smithsonian Institution and US Geological Survey.

Volcano Profile |  Weekly Report (31 December-6 January 2015)


Tangkubanparahu

Indonesia

6.77°S, 107.6°E; summit elev. 2084 m

All times are local (unless otherwise noted)


PVMBG reported that white plumes rose at most 50 m above Tangkubanparahu's Ratu Crater during November-December 2013. Deformation data showed changes and seismicity increased. On 31 December the Alert Level was raised to 2 (on a scale of 1-4). Residents and tourists were warned not approach the crater within a radius of 1.5 km.

Geologic Background. Tangkubanparahu (also known as Tangkuban Perahu) is a broad shield-like stratovolcano overlooking Indonesia's former capital city of Bandung. The volcano was constructed within the 6 x 8 km Pleistocene Sunda caldera, which formed about 190,000 years ago. The volcano's low profile is the subject of legends referring to the mountain of the "upturned boat." The rim of Sunda caldera forms a prominent ridge on the western side; elsewhere the caldera rim is largely buried by deposits of Tangkubanparahu volcano. The dominantly small phreatic historical eruptions recorded since the 19th century have originated from several nested craters within an elliptical 1 x 1.5 km summit depression.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)