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In a Week, Mount Merapi Ejects Lava Avalanches 129 Times

Mount Merapi is still releasing lava. Based on records from the Geological Disaster Technology Research and Development Center (BPPTKG), from ...

Penulis: Lia Sisvita Dinatri | Editor: Irfan Azmi Silalahi
Kompas.com
The incandescent lava of Mount Merapi seen from Wonokerto Village, Turi District, Sleman Regency, Special Region of Yogyakarta 

TRIBUNBATAM.id - Mount Merapi is still releasing lava.

Based on records from the Geological Disaster Technology Research and Development Center (BPPTKG), from September 3, 2021 to September 9, 2021, 129 lava avalanches occurred.

In the same time span, there was also one hot cloud avalanche.

"Lava and hot clouds avalanche were observed 129 times to the southwest with a maximum sliding distance of 2,000 meters," said Head of BPPTKG, Hanik Humaida in a written statement, Friday (9/10/2021). 

Hanik said, currently the southwest dome of Mount Merapi is getting higher, about 5 meters.

While the central dome increased by 1 meter.

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The southwest lava dome currently has a volume of 1,550,000 cubic meters and the central lava dome has a volume of 2,854,000 cubic meters. 

During the week, Mount Merapi also experienced one hot cloud earthquake, two shallow volcanic earthquakes, 286 low-frequency earthquakes, 20 multi-phase earthquakes, 1,491 avalanches, 561 gusts, and four tectonic earthquakes.

Illustration of incandescent lava from Mount Merapi seen from Wonokerto Village, Turi District, Sleman Regency, DI Yogyakarta, Friday (5/3/2021).
Illustration of incandescent lava from Mount Merapi seen from Wonokerto Village, Turi District, Sleman Regency, DI Yogyakarta, Friday (5/3/2021). (Kompas.com)

"The LF seismicity (low frequency) this week is higher than last week," said Hanik. 

According to Hanik, the volcanic activity of Mount Merapi is still quite high in the form of effusive eruption activity. 

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