Mount Ili Lewotolok Erupts Again Tonight (Wednesday, August 27, 2025)

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Wednesday (8/27/2025) at 8:59 PM WITA. In the last week, Mount Ili Lewotolok has erupted 4 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 200 meters above the peak (1,623 meters above sea level).

The ash column was observed to be white to gray with thick intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 4.1 millimeters and a duration of 58 seconds.

(Read: East Nusa Tenggara Always Hit by Forest and Land Fires in the Last 10 Years, BMKG Urges Increased Preparedness)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismic observations on August 27, 2025, from 12:00-18:00 WITA showed 5 eruption/explosion earthquakes with amplitudes of 3-9 millimeters and durations of 35-44 seconds. Additionally, there were 30 shallow volcanic earthquakes with amplitudes of 1-3.1 millimeters and durations of 18-50 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 potential hazards from lava falls/landslides and pyroclastic flows from the Southern and Southeastern sectors, Western sector, and Northeastern sector of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,836 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,333 times), while Mount Ili Lewotolok erupted 249 times.

(Read: Nearly 5 Thousand Natural Disaster Events in Indonesia Throughout 2023, Forest and Land Fires Dominate)