The Center for Investigation and Development of Geological Disaster Technology (BPPTKG) monitored in Yogyakarta stated that the eruption of Mount Merapi was recorded on the seismogram at 5:22 WIB at an amplitude of 75 millimeters and a duration of 450 seconds.
The height of the eruption column was observed ± six thousand meters from the peak, according to the BPPTKG.
The BPPTKG, on its Twitter official account, also mentioned that the wind blew northwards when Merapi erupted.
Furthermore, the BPPTKG recorded the avalanches of hot clouds towards Kali Gendol up to a maximum distance of two kilometers.
The BPPTKG has, until now, maintained the status of Mount Merapi at Level II, or alert.
Mount Merapi is still closed for climbing activities, except for investigations and research related to disaster mitigation.
The agency has urged residents to steer clear of activities within a three-kilometer radius of the peak of Mount Merapi.
The community was also urged to not be provoked by news pertaining to the eruption of Mount Merapi whose source was unclear.
The community was also urged to follow the directives of local government officials. Related news: Adi Sumarmo Airport closed temporarily after Mt Merapi erupts
Related news: Rivers off-limits for public to protect against cold lava flood
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