Mount Lewotobi Laki-laki Erupts Again Early This Morning, Ash Column Height Around 400 Meters

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (April 22, 2026) at 03:30 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 5 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 400 meters above the peak (1,984 meters above sea level).

The ash column was observed to be gray with moderate intensity heading west. The eruption was recorded on the seismograph with a maximum amplitude of 5.9 millimeters and a duration of 127 seconds.

(Read: 4.7 M Earthquake Shakes the Bonin Islands Region)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level II (Warning). Earthquake observations on April 22, 2026 from 00:00-23:59 WITA showed 4 eruption/explosion earthquakes with amplitudes of 7.4-9.6 millimeters and durations of 67-267 seconds.

Then, 2 emission earthquakes with amplitudes of 4.4-7.4 millimeters and durations of 35-36 seconds, as well as 14 non-harmonic tremors with amplitudes of 2.9-4.4 millimeters and durations of 66-178 seconds.

PVMBG advises residents around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a 4-kilometer radius of the Mount Lewotobi Laki-laki eruption center.

In 2026, MAGMA Indonesia has recorded 1,598 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions (843 times) while Mount Lewotobi Laki-laki has erupted 37 times.

(Read: 5.1 M Earthquake Shakes 242 Km West of Kurio,)