Warning! Mount Ili Lewotolok Erupts Again Tonight (Saturday, January 17, 2026)

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Saturday (17/1/2026) at 19:45 WITA. In the last week, Mount Ili Lewotolok has erupted 4 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 300 meters above the peak (1,723 meters above sea level).

The ash column was observed to be white to gray with thick intensity towards the east. The eruption was recorded on a seismograph with a maximum amplitude of 33.5 millimeters and a duration of 60 seconds.

(Read: Last Five Earthquakes Recorded by BMKG (Saturday, July 19, 2025 18:25:55 WIB))

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ili Lewotolok is at Level II (Alert). Seismic observations on January 17, 2026, from 00:00-23:59 WITA showed 277 eruption/explosive earthquakes with amplitudes of 16.4-34.7 millimeters and earthquake durations of 33-100 seconds.

Subsequently, there was 1 rockfall earthquake with an amplitude of 6.5 mm and a duration of 91 seconds, and 518 exhalation earthquakes with amplitudes of 5.6-18.2 millimeters and durations of 51-56 seconds.

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

Throughout 2026, MAGMA Indonesia has recorded 242 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (134 times), while Mount Ili Lewotolok erupted 11 times.

(Read: Here are the 10 Largest Earthquakes in History, Two of Them from Indonesia)