Mount Lewotobi Laki-laki Erupts Again Today, Eruption Height Reaches 200 Meters

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (August 13, 2025) at 17:47 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 3 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed to be around 200 meters above the peak (1,784 meters above sea level).

The ash column was observed to be grey to brown with moderate to thick intensity towards the southwest and west. The eruption was recorded on a seismograph with a maximum amplitude of 7.4 millimeters and a duration of 37 seconds.

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According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismicity observations on August 13, 2025, at 12:00-18:00 WITA showed 2 eruption/explosion earthquakes with amplitudes of 7.4-44.4 millimeters and durations of 37-42 seconds.

Furthermore, there were 2 exhalation earthquakes with amplitudes of 2.9-5.9 millimeters and durations of 31-33 seconds, and 5 non-harmonic tremors with amplitudes of 4.4-7.4 millimeters and durations of 78-238 seconds.

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

Throughout 2025, MAGMA Indonesia has recorded 5,603 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,244 times), while Mount Lewotobi Laki-laki erupted 455 times.

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