JAKARTA - The Geological Disaster Technology Research and Development Center (BPPTKG) stated that Mount Merapi experienced 112 earthquake avalanches during the observation period on Thursday, April 29 starting at 00: 00-24: 00 WIB.
The head of the BPPTKG, Hanik Humaida, said that in addition to earthquake avalanches, during the observation period there were also one hot cloud earthquake, 18 hybrid or multi-phase earthquakes and one gust earthquake.
Based on visual observations in the active volcano, one time hot clouds flew with a sliding distance of 2,000 meters to the southwest and 20 times of incandescent lava avalanches with a maximum sliding distance of 1,400 meters to the west.
Next, the rate of deformation of Mount Merapi was measured using Babadan's electronic distance measurement (EDM) an average of 0.5 cm per day.
"Until now, BPPTKG still maintains the status of Mount Merapi activity at Level III or Alert," said Hanik through his official statement in Yogyakarta, reported by Antara, Friday, April 30.
The volcanic lava and hot clouds of Mount Merapi are thought to have an impact on the area in the south-southwest sector which includes the Yellow, Boyong, Bedog, Krasak, Bebeng and Putih Rivers.
When the volcano erupts, the eruption of volcanic material can reach an area within a radius of three kilometers from the top of the mountain.
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