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Strong phreatic eruption at Tangkubanparahu, heavy ashfall reported, Indonesia

phreatic-eruption-tangkubanparahu-indonesia-july-26-2019

A strong phreatic eruption took place at Indonesian Tangkubanparahu volcano (also know as Tangkupan Perahu) early July 26, 2019. Two people have been injured and taken to hospital. 

Continuous eruption with volcanic ash rising up to 2.7 km (9 000 feet) above sea level was observed at 08:50 UTC, the Darwin VAAC reported.

Local media said there were no reports of casualties but 2 people were injured and taken to a hospital.

Heavy ashfall was reported in nearby communities.

Seismicity under the volcano started increasing at the end of June 2019, sharply increasing on July 10 and 22 when authorities urged everyone to stay aware of sudden phreatic eruptions.

This is the first eruption at Tangkubanparahu since 2013 (VEI 2). The volcano has a known history of VEI 1 and 2 eruptions over the past 10 000 years.

Geological summary

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 (3.7 x 4.9 miles) 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 (0.6 x 0.9 miles) summit depression. (GVP)

Featured image credit: AnakDesa

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