Adzan Anugrah Indiarsyah, an officer at the Mount Lewotobi Laki-laki observation post, stated that the eruption occurred in the morning at 7:20 a.m. local time (GMT+8). A thick gray ash column was seen heading toward the southwest.
"The eruption was recorded on a seismograph, with a maximum amplitude of 41.4 millimeters and a duration of 303 seconds," he said in a report on Monday.
Mount Lewotobi (1,584 meters), a twin volcano, is located in the southeastern part of Flores Island. It consists of two peaks: Mount Lewotobi Laki-laki and Mount Lewotobi Perempuan.
The PVMBG is visually and instrumentally monitoring the volcano from an observation post located in Pululera Village, Wulanggitang District, East Flores.
The agency has been appealing to residents located around Mount Lewotobi Laki-laki to avoid activities within a 2-km radius, 3 km in the north-northeast direction, and 5 km in the northeast sector.
The local community is urged to remain calm, follow directions from the regional government, and not believe in rumors from unreliable sources.
"The community living around Mount Lewotobi Laki-laki must be wary of the potential for rain-triggered lava flooding in rivers that originate at the peak if there is high-intensity rain," Indiarsyah remarked.
Following the eruption, the Geological Agency of the Ministry of Energy and Mineral Resources has raised the status of Mount Lewotobi Laki-laki from alert level 2 to alert level 3. Related news: Mount Lewotobi: PVMBG issues warning of cold lava floods
Related news: BNPB increases funding to deal with Mount Lewotobi's eruption
Translator: Sugiharto Purnama, Raka Adji
Editor: Anton Santoso
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