Mount Ili Lewotolok Erupts Again This Morning, Ash Column Height Around 200 Meters

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Thursday (August 14, 2025) at 08:40 AM WITA. In the last week, Mount Ili Lewotolok has erupted 5 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column height was observed to reach 200 meters above the peak (1,623 meters above sea level).

The ash column was observed to be white to gray with moderate intensity moving westward. The eruption was recorded on a seismograph with a maximum amplitude of 15.4 millimeters and a duration of 42 seconds.

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According to MAGMA Indonesia's volcanic activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismicity observations on August 14, 2025, from 00:00-06:00 AM WITA showed 66 eruption/explosion earthquakes with amplitudes of 7.7-33.1 millimeters and durations of 33-48 seconds. Additionally, there were 46 gust earthquakes with amplitudes of 2.7-15.7 millimeters and durations of 30-45 seconds.

PVMBG urges the public around Mount Ili Lewotolok as well as visitors/hikers/tourists not to enter and not to conduct activities within a 3-kilometer radius from the center of Mount Ili Lewotolok's activity, to be aware of the potential danger 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 5,608 volcanic eruptions across Indonesia. Mount Semeru in East Java has erupted the most (2,247 times), while Mount Ili Lewotolok has erupted 231 times.

(Read: Due to Forest Fires, Acute Respiratory Infections in South Kalimantan Reached 189 Thousand Cases as of September 2023)