Mount Lewotobi Laki-laki Erupts Again Tonight, Ash Reaches 500 Meters Above the Summit

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Tuesday, April 8, 2025, at 9:10 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 7 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 was approximately 500 meters above the peak or 2,084 meters above sea level.

The ash column was observed to be gray with thick intensity towards the southwest. The eruption was recorded on a seismograph with a maximum amplitude of 29.6 millimeters and a duration of 56 seconds.

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismic observations on April 8, 2025, from 12:00 PM to 6:00 PM WITA showed 25 times of puffing tremors with amplitudes of 2.2-44.4 millimeters and durations of 28-161 seconds.

Then, 5 harmonic tremors with amplitudes of 2.9-44.4 millimeters and durations of 51-249 seconds, and 1 deep volcanic earthquake with an amplitude of 2.9 millimeters, s-p 1 second, 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 2,684 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,242 eruptions), while Mount Lewotobi Laki-laki erupted 241 times.