Mount Lewotobi Laki-laki Erupts Again Tonight, Ash Reaches 3,000 Meters Above the Summit

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday, April 20, 2025, at 23:59 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 85 times.

Citing 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 approximately 3,000 meters above the peak or 4,584 meters above sea level.

The ash column was observed to be gray with thick intensity towards the north and northwest. The eruption of Mount Lewotobi Laki-laki was still ongoing at the time of this report.

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Observations of seismic activity on April 20, 2025, from 18:00 to 23:59 WITA showed 2 eruption quakes with amplitudes of 14.8-47.3 millimeters and durations of 100-125 seconds.

Furthermore, there were 4 tremor quakes with amplitudes of 2.9-7.4 millimeters and durations of 51-101 seconds, and 1 distant tectonic earthquake with an amplitude of 7.4 millimeters, S-P 70.6 seconds, and a duration of 122 seconds.

PVMBG advises the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a 6-kilometer radius of the eruption center of Mount Lewotobi Laki-laki.

During 2025, MAGMA Indonesia has recorded 3,058 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,362 eruptions), while Mount Lewotobi Laki-laki erupted 335 times.