Mount Merapi is seen emitting white clouds down its slopes as seen in Cangkringan, Sleman, Yogyakarta, Indonesia on Friday, March 12, 2021. The residents who live on its slopes look calm. They are cheerful while guarding Mount Merapi, which is at the Alert level as determined by the Geological Disaster Technology Research and Development Center (BPPTKG).
The BPPTKG report until March 7-11, 2021 states that hot clouds of avalanche occurred 12 times with a maximum sliding distance of 1,500 m to the southwest to the upper reaches of the Boyong and Krasak Rivers, as well as the Sat River Meanwhile, the morphological analysis of the peak area based on photos from the southwest sector shows a change in the morphology of the peak area due to avalanche activity and dome growth. The volume of the lava dome in the southwest sector is 785,600 m3 with a growth rate of 13,500 m3 / day.
BPTG added that the current potential hazard in the form of lava and hot clouds in the South-Southwest sector includes the Yellow, Boyong, Bedog, Krasak, Bebeng, and White rivers for a maximum of 5 km and in the southeast sector, namely the Gendol river as far as 3 km. Meanwhile, the eruption of volcanic material in the event of an explosive eruption can reach a radius of 3 km from the summit.
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