Mount Lewotobi Laki-laki Erupts Again This Morning, Ash Plume Approximately 1,500 Meters High
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Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Monday (September 29, 2025) at 06:26 WITA. In the last week, Mount Lewotobi Laki-laki has erupted twice.
Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash plume was observed to be approximately 1,500 meters above the peak or 3,084 meters above sea level.
The ash plume was observed to be gray with thick intensity towards the southwest and west. The eruption was recorded on a seismograph with a maximum amplitude of 14.8 millimeters and a duration of 131 seconds.
(Read: Indonesia, the Country with the Worst Air Quality in Southeast Asia)
According to MAGMA Indonesia's volcanic activity report, the activity level of Mount Lewotobi Laki-laki is at Level IV (Awas/Alert). Seismicity observations on September 29, 2025, from 00:00-06:00 WITA showed no seismic activity.
PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a radius of 6 kilometers and a sectoral area of 7 kilometers from the eruption center of Mount Lewotobi Laki-laki, extending from Southwest to Northeast.
Throughout 2025, MAGMA Indonesia has recorded 6,433 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,528 times), while Mount Lewotobi Laki-laki erupted 645 times.
(Read: Not Jakarta, These are the Areas with the Worst Air Quality in Indonesia (Wednesday, June 7, 2023))
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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