Mount Ili Lewotolok Erupts on Sunday Night, Its Status is Alert

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Sunday (10/8/2025) at 19:37 WITA. In the last week, Mount Ili Lewotolok has erupted 21 times.

Reporting 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 200 meters above the peak (1,623 meters above sea level).

The ash column was observed to be white to gray with moderate intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 32 millimeters and a duration of 50 seconds.

(Read: There Have Been 1,300 Natural Disasters in Indonesia Until September 2024, Here Are the Details)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismic observations on August 10, 2025, from 12:00-18:00 WITA showed 44 eruption quakes with amplitudes of 20.7-33.1 millimeters and durations of 20-33 seconds.

Subsequently, there were 38 exhalation quakes with amplitudes of 1.5-15 millimeters and durations of 22-30 seconds, and 1 shallow volcanic earthquake with an amplitude of 2.4 millimeters and a duration of 8.5 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 Southern and Southeastern sectors, the Western sector, and the Northeastern sector of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,547 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,214 times) while Mount Ili Lewotolok erupted 226 times.

(Read: There Have Been Almost 300 Natural Disasters Until Mid-February 2024)