Mount Lewotobi Laki-laki Erupts Again Today, Ash Plume Reaches 800 Meters

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (August 27, 2025) at 17.56 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 8 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column was observed to be around 800 meters above the peak (2,384 meters above sea level).

The ash column 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 5.9 millimeters and a duration of 202 seconds.

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According to MAGMA Indonesia''s volcano activity report, Mount Lewotobi Laki-laki''s activity level is at Level III (Alert). Seismic observations on August 27, 2025, from 12.00-18.00 WITA, showed 2 eruption earthquakes with amplitudes of 2.9-5.9 millimeters and durations of 104-202 seconds.

Then, 1 exhalation earthquake with an amplitude of 10.5 millimeters and a duration of 40 seconds, and 5 non-harmonic tremors with amplitudes of 4.4-7.4 millimeters and durations of 88-163 seconds occurred.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to engage in any activities within a 6-kilometer radius from the center of Mount Lewotobi Laki-laki''s eruption.

Throughout 2025, MAGMA Indonesia has recorded 5,832 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,332 times), while Mount Lewotobi Laki-laki erupted 489 times.

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