Mount Lewotobi Laki-laki Erupts Again Tonight, Volcanic Ash Plume 1,500 Meters Above Peak

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (1/10/2025) at 8:26 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 23 times.

Based on 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 1,500 meters above the peak (3,084 meters above sea level).

The ash column was observed to be gray with thick intensity to the west and northwest. The eruption was recorded on a seismograph with a maximum amplitude of 14.8 millimeters and a duration of 107 seconds.

(Read: Jakarta Road Sections Still Flooded (July 9, 2025 at 09:00 AM WIB))

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 1, 2025, from 12:00 PM to 6:00 PM WITA showed 2 eruption/explosion earthquakes with amplitudes of 22.2-47.3 millimeters and durations of 365-425 seconds.

Furthermore, 4 exhalation earthquakes with amplitudes of 4.4-29.6 millimeters and durations of 30-60 seconds, and 6 non-harmonic tremors with amplitudes of 2.9-4.4 millimeters and durations of 80-104 seconds were recorded.

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 eruption center of Mount Lewotobi Laki-laki.

Throughout 2025, MAGMA Indonesia has recorded 6,488 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,541 times), while Mount Lewotobi Laki-laki erupted 666 times.

(Read: Bekasi Included in Top 10 Areas with Highest Flood Risk in West Java)