Mount Lewotobi Laki-laki Erupted Early Wednesday, Activity Level at Alert Level

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (March 11, 2026) at 01:30 WITA. In the last week, Mount Lewotobi Laki-laki erupted only once.

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 500 meters above the peak or 2,084 meters above sea level.

The ash column was observed to be gray with moderate to thick intensity towards the east. The eruption was recorded on the seismograph with a maximum amplitude of 4.4 millimeters and a duration of 82 seconds.

(Read: Five Latest Earthquakes Recorded by BMKG (Saturday, July 19, 2025 18:25:55 WIB))

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level II (Alert). Seismic observations on March 11, 2026 from 00:00-23:59 WITA showed 3 explosion earthquakes with amplitudes of 2.9-7.4 millimeters and durations of 33-58 seconds.

Then, 11 non-harmonic tremors with amplitudes of 2.9-7.4 millimeters and durations of 61-167 seconds, as well as 1 low-frequency earthquake with an amplitude of 10.5 millimeters and a duration of 30 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.

Throughout 2026, MAGMA Indonesia has recorded 947 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (494 times) while Mount Lewotobi Laki-laki erupted 10 times.

(Read: 4.1 M Earthquake Shakes Phala Hawaii)