Warning! Mount Lewotobi Laki-laki Erupts Again This Morning (Thursday, April 17, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Thursday, April 17, 2025, at 10:16 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 13 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 500 meters above the peak (2,084 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 7.4 millimeters and a duration of 84 seconds.

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Observations of seismic activity on April 17, 2025, from 00:00 to 06:00 WITA showed 1 instance of an emission earthquake with an amplitude of 2.9 millimeters and a duration of 93 seconds.

Furthermore, there were 5 instances of shallow volcanic earthquakes with amplitudes of 3.7-11.8 millimeters, s-p 0.8-1.13 seconds, and durations of 9-19 seconds, as well as 1 local tectonic earthquake with an amplitude of 2.9 millimeters, s-p 7.8 seconds, and a duration of 19 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 2,905 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (1,323 eruptions), while Mount Lewotobi Laki-laki erupted 263 times.