Mount Ili Lewotolok Erupts Again Tonight, Volcanic Ash 250 Meters Above Peak

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Friday (August 8, 2025) at 21:07 WITA. In the last week, Mount Ili Lewotolok has erupted 13 times.

Citing 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 250 meters above the peak or 1,673 meters above sea level.

The ash column was observed to be white to gray with moderate intensity towards the west and northwest. The eruption was recorded on a seismograph with a maximum amplitude of 27.5 millimeters and a duration of 30 seconds.

(Read: 1,300 Natural Disasters in Indonesia Until September 2024, Here are the Details)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismic observations on August 8, 2025, from 12:00-18:00 WITA showed 43 eruption/explosion earthquakes with amplitudes of 10-38.1 millimeters and durations of 39-73 seconds.

Furthermore, 25 times exhalation earthquakes with amplitudes of 1.7-10 millimeters and durations of 29-50 seconds, and 1 non-harmonic tremor with an amplitude of 2.6 millimeters and a duration of 109 seconds.

PVMBG urges the public around Mount Ili Lewotolok as well as 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 the potential hazards from lava falls/landslides and pyroclastic flows from the South and Southeast, West, and Northeast sectors of Mount Ili Lewotolok.

Throughout 2025, MAGMA Indonesia has recorded 5,521 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,207 times) while Mount Ili Lewotolok erupted 218 times.

(Read: Extreme Weather to Floods, There Were 927 Natural Disaster Events in Indonesia Until Early May 2023)