Warning! Mount Lewotobi Laki-laki Erupts Again This Morning (Wednesday, September 24, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (9/24/2025) at 10:05 AM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 41 times.

Quoting 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 400 meters above the peak (1,984 meters above sea level).

The ash column was observed to be gray with thick intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 3.7 millimeters and a duration of 101 seconds.

(Read: Indications of Forest and Land Fire Area in East Kalimantan until June 2025)

According to MAGMA Indonesia''s volcanic activity report, the activity level of Mount Lewotobi Laki-laki is at Level IV (Alert). Seismicity observations on September 24, 2025, from 00:00-06:00 WITA showed 1 puff earthquake with an amplitude of 3.7 millimeters and a duration of 50 seconds.

Furthermore, 3 non-harmonic tremors with amplitudes of 2.9-7.4 millimeters and durations of 78-133 seconds, and 1 low-frequency earthquake with an amplitude of 2.9 millimeters and a duration of 26 seconds occurred.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a radius of 6 kilometers and in the Southwest-Northeast sector up to 7 kilometers from the eruption center of Mount Lewotobi Laki-laki.

Throughout 2025, MAGMA Indonesia has recorded 6,302 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,480 times), while Mount Lewotobi Laki-laki erupted 603 times.

(Read: Indications of Forest and Land Fire Area in West Kalimantan Province 2016-2025)