Mount Lewotobi Laki-laki Erupted Early Thursday Morning; Alert Level Raised

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Thursday (5/9/2024) at 03.31 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 15 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 800 meters above the peak (2,384 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 177 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 September 5, 2024, from 18.00 to 23.59 WITA showed 2 eruption quakes with amplitudes of 14.8-22 millimeters and durations of 311-776 seconds.

Then, there were 3 shallow volcanic earthquakes with amplitudes of 3.7-5.9 millimeters and durations of 12-13 seconds, and 6 deep volcanic earthquakes with amplitudes of 3.7-22.9 millimeters, s-p 0.8-1.9 seconds, and durations of 12-15 seconds.

PVMBG advises the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a 3-kilometer radius of the eruption center of Mount Lewotobi Laki-laki and Mount Lewotobi Perempuan, and 4 kilometers in the northeast sector and 5 kilometers in the northeast sector from the eruption center of Mount Lewotobi Laki-laki.

During 2024, MAGMA Indonesia has recorded 3,477 volcanic eruptions/eruptions throughout Indonesia. Mount Ibu in North Maluku had the most eruptions (1,379 eruptions), while Mount Lewotobi Laki-laki erupted 601 times.