JAKARTA - The Geological Disaster Technology Research and Development Center (BPPTKG) said that Mount Merapi was regurgitating volcanic material. The material shedding slid 1.5 kilometers towards Kali Lamat on the border of Yogyakarta and Central Java.
Head of BPPTKG Hanik Humaida, through his official statement on Sunday, stated that the avalanche of material was recorded out of Mount Merapi at 05:54 WIB with moderate intensity from observations at the Mount Merapi Observation Post (PGM) Babadan.
In addition to material avalanches, during the observation period from 00: 00-06: 00 WIB, BPPTKG also recorded 18 earthquake avalanches on the mountain with an amplitude of 4-61 mm and a duration of 16-151 seconds, 21 times earthquake gusts with an amplitude of 2-8 mm with a duration of 11-16 seconds.
Next, 94 hybrid / multi-phase earthquakes with an amplitude of 3-20 mm with a duration of 5-9 seconds, and 19 shallow volcanic earthquakes with an amplitude of 40-75 mm for 13-32 seconds.
Meanwhile, based on the results of visual observations, crater smoke was not observed coming out of the summit of Mount Merapi.
The weather on the mountain was clear, cloudy and cloudy. The wind blows weak, moderate, to strong to the east and southeast with temperatures 17-21 degrees Celsius, humidity 66-95 percent and air pressure 569-687 mmHg.
06:03 Via PGM. Lack of visuals #Musky therapy, temperature 21.5 ° C, humidity 66% rh, pressure 916.3 hpa, wind slowly to the east. # MerapiSiaga pic.twitter.com/eTtXLCihwX
- BPPTKG (@BPPTKG) January 2, 2021
The BPPTKG maintains the status of Mount Merapi at Level III or Alert. The potential hazard due to the eruption of Merapi is estimated to be within a maximum radius of five kilometers from the summit.
It is recommended that mining in the rivers that originate at Mount Merapi in KRB III is stopped.
BPPTKG asks tourism actors not to carry out tourism activities at KRB III, including climbing activities to the top of Mount Merapi.
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