Mount Lewotobi Laki-laki Erupts Again This Afternoon, Eruption Height Approximately 900 Meters

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Friday, April 4, 2025, at 2:20 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 11 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached 900 meters above the peak or 2,484 meters above sea level.

The ash column was observed to be gray with thick intensity towards the north, northeast, and east. The eruption was recorded on a seismograph with a maximum amplitude of 7.3 millimeters and a duration of 205 seconds.

According to the MAGMA Indonesia volcanic activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Observations of seismic activity on April 4, 2025, from 6:00 AM to 12:00 PM WITA showed 2 eruption quakes with amplitudes of 8.8-14.8 millimeters and durations of 247-273 seconds.

Furthermore, there was 1 low-frequency earthquake with an amplitude of 2.9 millimeters and a duration of 25 seconds, and 1 deep volcanic earthquake with an amplitude of 2.9 millimeters, s-p 0.8 seconds, and a duration of 13 seconds.

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

During 2025, MAGMA Indonesia has recorded 2,600 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,205 eruptions), while Mount Lewotobi Laki-laki erupted 234 times.