Mount Ili Lewotolok Erupted on Friday Night, Activity Level at Alert

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Friday (25/7/2025) at 19:36 WITA. In the last week, Mount Ili Lewotolok has erupted 13 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 None meters above the peak or None meters above sea level.

Visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 19.2 millimeters and a duration of 30 seconds.

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

According to MAGMA Indonesia's volcano activity report, Mount Ili Lewotolok's activity level is at Level III (Alert). Seismic observations on July 25, 2025, from 12:00-18:00 WITA showed 27 eruption/explosion earthquakes with amplitudes of 8.6-28.9 millimeters and durations of 34-58 seconds. Subsequently, there were 32 exhalation earthquakes with amplitudes of 1.7-7.8 millimeters and durations of 28-58 seconds.

PVMBG urges the public around Mount Ili Lewotolok and visitors/climbers/tourists not to enter and not to conduct activities within a 3-kilometer radius from the center of Mount Ili Lewotolok's activity, to be aware of potential hazards from lava fall/landslides and pyroclastic clouds from the South and Southeast sectors, the West sector, and the Northeast sector of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,310 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,140 times) while Mount Ili Lewotolok erupted 190 times.

(Read: 4.16 M Earthquake Shakes Mona Passage)