Mount Lewotobi Laki-laki Erupts Again Tonight (Saturday, October 18, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Saturday (18/10/2025) at 00:44 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 9 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 None meters above the peak (None meters above sea level).

Eruption visuals were not observed. The eruption of Mount Lewotobi Laki-laki was still ongoing when this report was made.

(Read: Indonesia Has the Most Active Volcanoes in the World)

According to MAGMA Indonesia's volcanic activity report, the activity level of Mount Lewotobi Laki-laki is at Level IV (Alert). Seismicity observations on October 18, 2025, at 18:00-23:59 WITA showed 5 non-harmonic tremors with amplitudes of 3.7-5.1 millimeters and earthquake durations of 65-121 seconds.

Then, 10 deep volcanic earthquakes with amplitudes of 4.4-47.3 millimeters s-p 0.9-2.6 seconds and earthquake durations of 10-21 seconds, and 1 local tectonic earthquake with an amplitude of 47.3 millimeters s-p 4.2 seconds and an earthquake duration of 36 seconds.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to engage in any activities within a 6-kilometer radius and 7-kilometer sectoral area from the Southwest-North-Northeast of the eruption center of Mount Lewotobi Laki-laki.

Throughout 2025, MAGMA Indonesia has recorded 6,695 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,635 times) while Mount Lewotobi Laki-laki erupted 704 times.

(Read: Countries with the Most Active Volcanoes in the World, Indonesia Ranks First)