Mount Lewotobi Laki-laki Erupts Again Early This Morning (Thursday, October 2, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Thursday (2/10/2025) at 03:11 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 26 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 500 meters above the peak (2,084 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 10.5 millimeters and a duration of 184 seconds.

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

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismic observations on October 2, 2025, at 00:00-06:00 WITA showed 3 eruption quakes with amplitudes of 2.9-10.5 millimeters and durations of 138-184 seconds. In addition, there were 3 non-harmonic tremors with amplitudes of 2.2-4.4 millimeters and durations of 66-92 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 6,495 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,542 times), while Mount Lewotobi Laki-laki erupted 669 times.

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