Mount Ili Lewotolok Erupts Again This Afternoon, Ash Plume 300 Meters Above Peak

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Wednesday (7/1/2026) at 11:52 AM WITA. In the last week, Mount Ili Lewotolok has erupted 4 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column was observed to be around 300 meters above the peak or 1,723 meters above sea level.

The ash column was observed to be white to gray with moderate intensity moving eastward. The eruption was recorded on a seismograph with a maximum amplitude of 18.2 millimeters and a duration of 33 seconds.

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According to the MAGMA Indonesia volcanic activity report, the activity level of Mount Ili Lewotolok is at Level II (Alert). Seismic observations on January 7, 2026, from 00:00-23:59 WITA, showed 218 eruption/explosion earthquakes with amplitudes of 13.7-35.2 millimeters and durations of 35-99 seconds.

Then, 299 times of exhalation earthquakes with amplitudes of 1.7-13.8 millimeters and durations of 25-60 seconds, and 2 harmonic earthquakes with amplitudes of 2.3-7.5 millimeters and durations of 93-102 seconds.

PVMBG urges the public around Mount Ili Lewotolok as well as visitors/climbers/tourists not to enter and not to engage in activities within a radius of 2 kilometers from the center of Mount Ili Lewotolok's activity, and sectorally south-southeast and west as far as 2.5 kilometers from the center of Mount Ili Lewotolok's activity.

Throughout 2026, MAGMA Indonesia has recorded 98 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (56 times) while Mount Ili Lewotolok erupted 4 times.

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