Mount Ili Lewotolok Erupts Again This Afternoon (Friday, October 10, 2025)

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Friday (10/10/2025) at 17:29 WITA. In the last week, Mount Ili Lewotolok has erupted 2 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 500 meters above the peak (1,923 meters above sea level).

The ash column was observed to be gray with moderate to thick intensity towards the west and northwest. The eruption was recorded on a seismograph with a maximum amplitude of 5.1 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 October 10, 2025, from 12:00-18:00 WITA, showed 7 eruption earthquakes with amplitudes of 5.1-13.6 millimeters and durations of 39-45 seconds.

Subsequently, 32 exhalation earthquakes with amplitudes of 1.5-4.9 millimeters and durations of 33-34 seconds, and 1 distant tectonic earthquake with an amplitude of 1.6 millimeters s-p 15 seconds and a duration of 46 seconds were recorded.

PVMBG urges 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 potential hazards from lava falls/landslides and pyroclastic clouds from the South and Southeast, West, and Northeast sectors of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 6,613 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,599 times), while Mount Ili Lewotolok erupted 289 times.

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