Warning! Mount Lewotobi Laki-laki Erupts Again This Morning (Sunday, April 20, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday, April 20, 2025, at 06.06 WITA (West Indonesia Time). In the last week, Mount Lewotobi Laki-laki has erupted 67 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 be approximately 500 meters above the peak (2,084 meters above sea level).

The ash column was observed to be gray with thick intensity towards the north and northeast. The eruption was recorded on a seismograph with a maximum amplitude of 11 millimeters and a duration of 107 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 18.00 to 23.59 WITA showed 5 eruption quakes with amplitudes of 7.4-14.8 millimeters and durations of 61-157 seconds.

Furthermore, there were 6 tremor quakes with amplitudes of 2.9-7.4 millimeters and durations of 35-137 seconds, and 2 harmonic tremors with amplitudes of 2.9-4.4 millimeters and durations of 116-135 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 3,028 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,355 eruptions), while Mount Lewotobi Laki-laki erupted 317 times.