Mount Ili Lewotolok Erupts Again This Afternoon, Volcanic Ash Height Around 300 Meters

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Sunday (August 10, 2025) at 12:04 PM WITA. In the last week, Mount Ili Lewotolok has erupted 20 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 300 meters above the peak or 1,723 meters above sea level.

The ash column was observed to be gray with moderate to thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 20.7 millimeters and a duration of 29 seconds.

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According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismic observations on August 10, 2025, from 06:00 AM to 12:00 PM WITA, showed 54 eruption earthquakes with amplitudes of 8.5-38.4 millimeters and durations of 30-61 seconds. Additionally, there were 24 exhalation earthquakes with amplitudes of 1.7-7.7 millimeters and durations of 27-41 seconds.

PVMBG advises the public around Mount Ili Lewotolok, as well as visitors/climbers/tourists, not to enter or conduct activities within a 3-kilometer radius from the center of Mount Ili Lewotolok's activity, and to be aware of the potential hazards from lava falls/landslides and pyroclastic clouds from the South and Southeast sectors, the West sector, and the Northeast sector of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,542 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,214 times) while Mount Ili Lewotolok erupted 225 times.

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