Warning! Mount Ili Lewotolok Erupts Again This Morning (Saturday, August 30, 2025)

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Saturday (8/30/2025) at 06:26 WITA. In the last week, Mount Ili Lewotolok has erupted 7 times.

Quoting 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 or 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 5.1 millimeters and a duration of 32 seconds.

(Read: Trends in Volcanic Eruptions in Recent Years)

According to MAGMA Indonesia''s volcanic activity report, the activity level of Mount Ili Lewotolok is at Level III (Siaga/Alert). Seismicity observations on August 30, 2025, at 00:00-06:00 WITA showed 7 eruption quakes with amplitudes of 2.9-6.3 millimeters and durations of 30-50 seconds. Then, 26 times of 'hembusan' (gas emission) quakes with amplitudes of 1.4-3 millimeters and durations of 29-35 seconds.

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

Throughout 2025, MAGMA Indonesia has recorded 5,897 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,362 times) while Mount Ili Lewotolok erupted 252 times.

(Read: Indonesia Has the Most Active Volcanoes in the World)