Lewotobi Laki-laki Volcano Erupts Sunday Afternoon; Alert Level Raised

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday, April 20, 2025, at 4:12 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 81 times.

Based on 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 reach None meters above the peak (None meters above sea level).

The eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 11 millimeters and a duration of 130 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 20, 2025, from 6:00 AM to 12:00 PM WITA showed 9 eruption earthquakes with amplitudes of 5.9-22 millimeters and durations of 58-124 seconds.

Furthermore, there were 2 puffing earthquakes with amplitudes of 3.7 millimeters and durations of 47-62 seconds, and 5 harmonic tremors with amplitudes of 3.7-7.4 millimeters and durations of 44-100 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 3,050 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,360 eruptions), while Mount Lewotobi Laki-laki erupted 331 times.