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Mount Merapi Releases 166 Lava Avalanches in a Week

The Center for Research and Development of Geological Disaster Technology (BPPTKG) noted that there had been 166 lava avalanches on Mount Merapi in...

Penulis: Lia Sisvita Dinatri | Editor: Lia Sisvita Dinatri
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The incandescent lava of Mount Merapi is seen from Wonokerto Village, Turi District, Sleman Regency, DI Yogyakarta 

TRIBUNBATAM.id, YOGYAKARTA - The Center for Research and Development of Geological Disaster Technology (BPPTKG) noted that there had been 166 lava avalanches on Mount Merapi in a week.

The volume of the dome in the southwest sector is recorded at 1,880,000 m3 and the volume of the dome in the middle is 2,808,000 cubic meters (m3). 

Head of BPPTKG, Hanik Humaida said, this week 62 lava avalanches were observed to the southeast. The maximum sliding distance of the lava avalanche is 1,200 meters. 

"101 times to the southwest with a maximum glide distance of 1,800 meters, 2 times to the west with a maximum glide distance of 1,500 meters, and 1 time to the northwest with a sliding distance of 500 meters," said Hanik Humaida to reporters, Friday (7/23/ 2021). 

Hanik Humaida said that the avalanches observed on the west side came from old Lava material in 1992 and Lava 1998.  

Falls leading to the northwest came from Lava in 1948. 

"The volume of the dome in the southwest sector is 1,880,000 m3. The volume of the central dome is 2,808,000 m3," she said. 

This week's deformation of Mount Merapi shows a distance shortening rate of 7 cm/day. 

"The intensity of the earthquake this week is still quite high," she said. 

Volcanic activity of Mount Merapi is still quite high in the form of effusive eruption activity.

"The activity status is set at the alert level," she said. (*) 

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