Mount Lewotobi Laki-laki Erupts Again Tonight (Sunday, September 28, 2025)

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Sunday (28/9/2025) at 21:19 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 80 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column reached None meters above the peak (None meters above sea level).

Eruption visuals were not observed. The eruption was recorded on a seismograph with a maximum amplitude of 11 millimeters and a duration of 67 seconds.

(Read: Not Jakarta, These Are the Areas with the Worst Air Quality in Indonesia (Wednesday, June 7, 2023))

According to MAGMA Indonesia's volcanic activity report, the activity level of Mount Lewotobi Laki-laki is at Level IV (Alert). Seismic observations on September 28, 2025, at 12:00-18:00 WITA showed 1 eruption/explosive earthquake with an amplitude of 14.8 millimeters and a duration of 70 seconds.

Subsequently, 5 exhalation earthquakes with amplitudes of 2.9-10.5 millimeters and durations of 30-47 seconds, and 4 low-frequency earthquakes with amplitudes of 7.4-14.8 millimeters and durations of 24-27 seconds occurred.

PVMBG urges the public around Mount Lewotobi Laki-laki and visitors/tourists not to engage in any activities within a 6-kilometer radius and a 7-kilometer sectoral radius from the Southwest-Northeast direction of Mount Lewotobi Laki-laki's eruption center.

Throughout 2025, MAGMA Indonesia has recorded 6,419 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,522 times) while Mount Lewotobi Laki-laki erupted 642 times.

(Read: Indonesia's Air Quality Worst in ASEAN in 2022)