Mount Lewotobi Laki-laki Erupted on Monday Afternoon; Status Remains on Alert

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Monday, April 22, 2024, at 1:06 PM WITA. This is the second eruption in the past week.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 2.9 millimeters and a duration of 161 seconds.

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level II (Alert). Observations of seismic activity from 00:00 to 23:59 WITA on April 22, 2024, showed two instances of tremor events with amplitudes of 2.2-3.7 millimeters and durations of 43-164 seconds.

Furthermore, there were four hybrid/multiple-phase earthquakes with amplitudes of 2.2-4.4 millimeters, S-P intervals of 1.1-1.6 seconds, and durations of 19-20 seconds; and two volcanic earthquakes with amplitudes of 2.9-14.8 millimeters, S-P intervals of 1-1.4 seconds, and durations of 10-13 seconds.

The PVMBG advises the public around Mount Lewotobi Laki-laki and visitors/tourists to refrain from any activity within a 2-kilometer radius of the eruption center and within a 3-kilometer sectoral area in the northeast direction and a 5-kilometer sectoral area in the northeast direction.

In 2024, MAGMA Indonesia has recorded 570 volcanic eruptions/eruptions across Indonesia. Mount Semeru in East Java experienced the most eruptions (184 times), while Mount Lewotobi Laki-laki has erupted 73 times.