Warning! Mount Lewotobi Laki-laki Erupts Again Tonight (Tuesday, April 15, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Tuesday, April 15, 2025, at 11:17 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 9 times.

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

The ash column was observed to be gray with thick intensity towards the south and southwest. The eruption was recorded on a seismograph with a maximum amplitude of 37.7 millimeters and a duration of 86 seconds.

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 15, 2025, from 12:00 PM to 6:00 PM WITA showed 12 instances of tremor with amplitudes of 2.9-10.5 millimeters and durations of 26-190 seconds.

Furthermore, there were 14 harmonic tremors with amplitudes of 2.2-14.8 millimeters and durations of 59-620 seconds, as well as 2 deep volcanic earthquakes with amplitudes of 2.2-4.4 millimeters, s-p 1-1.9 seconds, and durations of 11-15 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 2,853 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,302 eruptions), while Mount Lewotobi Laki-laki erupted 259 times.