Mount Ili Lewotolok Erupts on Tuesday Afternoon, Status is Alert

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Tuesday (August 26, 2025) at 13:00 WITA. In the last week, Mount Ili Lewotolok has erupted 3 times.

According to 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 None meters above the peak or None meters above sea level.

The visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 10.8 millimeters and a duration of 34 seconds.

(Read: 4.6 M Earthquake Jolts 128 Km North of Lae, Papua)

According to MAGMA Indonesia''s volcanic activity report, Mount Ili Lewotolok''s activity level is at Level III (Alert). Seismic observations on August 26, 2025, from 06:00-12:00 WITA showed 34 eruption quakes with amplitudes of 3.2-17.3 millimeters and durations of 30-48 seconds.

Subsequently, there were 36 exhalation quakes with amplitudes of 1.9-4 millimeters and durations of 43-44 seconds, and 1 harmonic quake with an amplitude of 3.2 millimeters and a duration of 81 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 clouds from the South and Southeast, West, and Northeast sectors of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,811 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,321 times), while Mount Ili Lewotolok erupted 248 times.

(Read: 4.8 M Earthquake Jolts 219 Km East of Levuka,)