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Report on Tangkuban Parahu (Indonesia) — 11 September-17 September 2019

Smithsonian / US Geological Survey Weekly Volcanic Activity Report, 11 September-17 September 2019
Managing Editor: Sally Kuhn Sennert

Please cite this report as:

Global Volcanism Program, 2019. Report on Tangkuban Parahu (Indonesia). In: Sennert, S K (ed.), Weekly Volcanic Activity Report, 11 September-17 September 2019. Smithsonian Institution and US Geological Survey.

Volcano Profile |  Weekly Report (11 September-17 September 2019)


Tangkuban Parahu

Indonesia

6.77°S, 107.6°E; summit elev. 2084 m

All times are local (unless otherwise noted)


PVMBG reported that phreatic events, accompanied by roaring, continued at Tangkubanparahu's Ratu Crater during 9-15 September, though no larger eruptions were recorded. Ash-and-steam emissions rose as high as 20 m above the vent and steam plumes rose as high as 200 m. The seismic network recorded continuous tremor. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay 1.5 km away from the active crater.

Geologic Background. Gunung Tangkuban Parahu 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 Sunda caldera rim forms a prominent ridge on the western side; elsewhere the rim is largely buried by deposits of the current volcano. The dominantly small phreatic 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)