Mount Lewotobi Laki-laki Erupts Again This Morning, Ash Reaches 700 Meters Above the Summit

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday, April 20, 2025, at 10:43 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 75 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 700 meters above the peak or 2,284 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 80 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 20, 2025, from 00:00 to 06:00 WITA showed 5 eruption quakes with amplitudes of 7.4-29.6 millimeters and durations of 77-103 seconds.

Furthermore, there were 4 tremor quakes with amplitudes of 4.4-7.4 millimeters and durations of 34-133 seconds, and 1 low-frequency earthquake with an amplitude of 2.9 millimeters and a duration of 22 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 3,040 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,357 times), while Mount Lewotobi Laki-laki erupted 325 times.