Warning! This Morning Mount Lewotobi Laki-laki Erupts Again (Thursday, October 9, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Thursday (9/10/2025) at 06.07 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 10 times.

According to 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 1,500 meters above the peak or 3,084 meters above sea level.

The ash column was observed to be gray with thick intensity towards the west. The eruption of Mount Lewotobi Laki-laki was still ongoing when this report was made.

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According to MAGMA Indonesia's volcano activity report, Mount Lewotobi Laki-laki's activity level is at Level III (Alert). Seismicity observations on October 9, 2025, from 00:00-06:00 WITA showed 7 non-harmonic tremors with amplitudes of 2.9-7.4 millimeters and earthquake durations of 62-136 seconds.

Then, 1 deep volcanic earthquake with an amplitude of 2.2 millimeters s-p 2.4 seconds and an earthquake duration of 25 seconds, and 2 local tectonic earthquakes with amplitudes of 4.4 millimeters s-p 9.3-9.4 seconds and earthquake durations of 34-40 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 6,591 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,591 times) while Mount Lewotobi Laki-laki erupted 692 times.

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