Mount Lewotobi Laki-laki Erupts Again This Morning (Tuesday, March 11, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Tuesday, March 11, 2025, at 06:13 WITA (West Indonesia Time). This marks the second eruption in the past week.

According to information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column reached approximately 800 meters above the summit (2,384 meters above sea level).

The ash column was observed to be gray with thick intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 14.8 millimeters and a duration of 106 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Lewotobi Laki-laki's alert level is at Level III (Siaga, or Alert). Observations of seismic activity from 00:00 to 06:00 WITA on March 11, 2025, showed 3 instances of puffing/exhalation quakes with an amplitude of 4.4 millimeters and durations of 69-112 seconds.

Furthermore, there were 2 harmonic tremors with amplitudes of 4.4-7.4 millimeters and durations of 77-95 seconds, and 1 continuous tremor with an amplitude of 2.2-2.9 millimeters, predominantly 2.2 millimeters.

PVMBG advises the public around Mount Lewotobi Laki-laki and visitors/tourists to refrain from any activity within a 5-kilometer radius of the eruption center and within a 6-kilometer radius in the southwest-north-northeast sector.

During 2025, MAGMA Indonesia has recorded 2,057 volcanic eruptions/eruptions across Indonesia. Mount Semeru in East Java experienced the most eruptions (963), while Mount Lewotobi Laki-laki erupted 155 times.