Mount Ili Lewotolok Erupts Again This Morning (Tuesday, January 20, 2026)

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Tuesday (January 20, 2026) at 05:28 WITA. In the last week, Mount Ili Lewotolok has erupted 3 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 500 meters above the peak or 1,923 meters above sea level.

The ash column was observed to be grey to black with thick intensity towards the east. The eruption was recorded on a seismograph with a maximum amplitude of 33.8 millimeters and a duration of 142 seconds.

(Read: Indonesia Has the Most Active Volcanoes in the World)

According to MAGMA Indonesia's volcanic activity report, the activity level of Mount Ili Lewotolok is at Level III (Alert). Seismic observations on January 20, 2026, from 00:00-06:00 WITA showed 130 eruption/explosion earthquakes with amplitudes of 19.6-33.8 millimeters and durations of 50-196 seconds. Additionally, there were 73 exhalation earthquakes with amplitudes of 6.8-21.8 millimeters and durations of 24-29 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.

Throughout 2026, MAGMA Indonesia has recorded 273 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (152 times), while Mount Ili Lewotolok erupted 15 times.

(Read: Countries with the Most Active Volcanoes in the World, Indonesia Ranks First)