Warning! Mount Lewotobi Laki-laki Erupts Again Tonight (Thursday, October 2, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Thursday (October 2, 2025) at 00:04 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 25 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column reached 1,000 meters above the peak or 2,584 meters above sea level.

The ash column was observed to be gray with thick intensity towards the west and northwest. The eruption was recorded on a seismograph with a maximum amplitude of 2.9 millimeters and a duration of 138 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). Seismic observations on October 2, 2025, from 18:00-23:59 WITA showed 1 eruption earthquake with an amplitude of 14.8 millimeters and an earthquake duration of 107 seconds.

Then, 1 exhalation earthquake with an amplitude of 2.2 millimeters and an earthquake duration of 33 seconds, and 3 deep volcanic earthquakes with an amplitude of 2.2 millimeters s-p 1.4-1.7 seconds and an earthquake duration of 13-20 seconds.

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 eruption center of Mount Lewotobi Laki-laki.

Throughout 2025, MAGMA Indonesia has recorded 6,494 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,542 times) while Mount Lewotobi Laki-laki erupted 668 times.

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