Mount Lewotobi Laki-laki Erupts Again This Afternoon (Sunday, October 5, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday (5/10/2025) at 11:19 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 39 times.

Reporting 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 None meters above the peak or None meters above sea level.

No visual eruption was observed. The eruption was recorded on a seismograph with a maximum amplitude of 5.5 millimeters and a duration of 146 seconds.

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According to MAGMA Indonesia's volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismicity observations on October 5, 2025, from 06:00-12:00 WITA, showed 1 eruption earthquake with an amplitude of 5.5 millimeters and an earthquake duration of 146 seconds.

Furthermore, 5 non-harmonic tremors with amplitudes of 1.4-3.7 millimeters and earthquake durations of 84-132 seconds, and 3 distant tectonic earthquakes with amplitudes of 1.4-3.7 millimeters, s-p of 14-47 seconds, and earthquake durations of 45-139 seconds occurred.

PVMBG urges 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 6,540 volcano eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,559 times), while Mount Lewotobi Laki-laki erupted 682 times.

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