Mount Lewotobi Laki-laki Erupts Again Today, Ash Column Reaches 1,500 Meters High

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Monday (25/8/2025) at 17:00 WITA. In the last week, Mount Lewotobi Laki-laki has erupted 5 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 1,500 meters above the peak or 3,084 meters above sea level.

The observed ash column was gray with thick intensity towards the southwest and west. The eruption was recorded on a seismograph with a maximum amplitude of 4.4 millimeters and a duration of 102 seconds.

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According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismic observations on August 25, 2025, at 12:00-18:00 WITA showed 4 eruption/explosion earthquakes with amplitudes of 3.7-14.8 millimeters and durations of 97-148 seconds.

Furthermore, 6 exhalation earthquakes occurred with amplitudes of 3.7-10.5 millimeters and durations of 32-54 seconds, along with 6 non-harmonic tremors with amplitudes of 3.7-4.4 millimeters and durations of 97-139 seconds.

PVMBG urged the public around Mount Lewotobi Laki-laki and visitors/tourists not to engage in any activities within a 6-kilometer radius from the eruption center of Mount Lewotobi Laki-laki.

Throughout 2025, MAGMA Indonesia has recorded 5,793 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,313 times), while Mount Lewotobi Laki-laki erupted 486 times.

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