Mount Lewotobi Laki-laki Erupts Again This Morning (Sunday, October 5, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday (10/5/2025) at 05:47 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 38 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed to be around 600 meters above the peak (2,184 meters above sea level).

The ash column was observed to be gray with thick intensity towards the southwest. The eruption was recorded on a seismograph with a maximum amplitude of 7.4 millimeters and a duration of 101 seconds.

(Read: There Were 2 Thousand Natural Disasters in Indonesia in 2024, Floods Dominated)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismic observations on October 5, 2025, at 00:00-06:00 WITA showed 2 eruption earthquakes with amplitudes of 7.4-14.8 millimeters and durations of 101-196 seconds.

Then, 1 exhalation earthquake with an amplitude of 2.9 millimeters and a duration of 35 seconds, and 2 non-harmonic tremors with amplitudes of 4.4 millimeters and durations of 91-140 seconds occurred.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to conduct any activities within a 6-kilometer radius from the center of Mount Lewotobi Laki-laki's eruption.

Throughout 2025, MAGMA Indonesia has recorded 6,536 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,556 times) while Mount Lewotobi Laki-laki erupted 681 times.

(Read: There Were 749 Natural Disaster Incidents in Indonesia Until the End of March 2023, Floods Were the Most Numerous)