Jakarta, Indonesia Sentinel — Mount Lewotobi Laki-laki, located in East Flores Regency, East Nusa Tenggara province erupted late Friday night (June 20).
Volcano Observation Officer Anselmus Boby Lamanepa reported that the eruption was accompanied by a volcanic ash plume rising 2 kilometers above the summit.
“The eruption occurred on June 20, 2025, at 10:31 p.m. local time, with the ash column reaching around 3,584 meters above sea level,” Anselmus said in a report issued at 10:51 p.m.
The ash plume was described as gray and dense, drifting southwest and south of the volcano.
The latest eruption was accompanied by a strong rumbling sound, which was audible as far as the Lewotobi Volcano Observation Post in Pululera Village, Wulanggitang District.
Seismographs recorded the eruption with a maximum amplitude of 47.3 mm and a duration of approximately 2 minutes and 26 seconds.
Read Also:
19 Indonesian Tourists Injured in Hot Air Balloon Crash in Turkey
The eruption follows a spike in volcanic activity over the past week. Indonesia’s Geological Agency under the Ministry of Energy and Mineral Resources reported six eruptions between June 18 and 19.
According to Antara, the volcano registered seven landslide earthquakes, 17 emission quakes, 20 non-harmonic tremors, 11 low-frequency quakes, three hybrid quakes, one shallow volcanic quake, seven deep volcanic quakes, one local tectonic quake, and four distant tectonic quakes in the same monitoring period, .
Authorities have raised Mount Lewotobi Laki-laki’s alert status to Level IV, the highest on Indonesia’s volcanic alert scale.
Local officials of East Flores Regency have urged residents to stay out of a 7-kilometer radius from the crater, with an extended exclusion zone of up to 8 kilometers to the northwest and northeast sectors.
Communities surrounding the volcano were also warned of the potential for cold lava floods, especially along rivers originating from the summit, such as those flowing through Dulipali, Padang Pasir, Nobo, Nurabelen, Klatanlo, Hokeng Jaya, Boru, and Nawakote.
(Raidi/Agung)
