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

Mount Ili Lewotolok in East Nusa Tenggara erupted again on Tuesday (1/20/2026) at 08:42 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 observed ash column reached 500 meters above the peak or 1,923 meters above sea level.

The observed ash column was white to gray with thick intensity towards the east. The eruption was recorded on a seismograph with a maximum amplitude of 28.4 millimeters and a duration of 42 seconds.

(Read: Forest and Land Fire Hotspots in South Sumatra Increased in Mid-October 2023)

According to the MAGMA Indonesia volcano 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 earthquake durations of 50-196 seconds. Additionally, there were 73 exhalation earthquakes with amplitudes of 6.8-21.8 millimeters and earthquake durations of 24-29 seconds.

PVMBG urges the public around Mount Ili Lewotolok, as well as visitors/climbers/tourists, not to enter or conduct activities within a 3-kilometer radius from the center of Mount Ili Lewotolok's activity.

Throughout 2026, MAGMA Indonesia has recorded 276 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (153 times), while Mount Ili Lewotolok erupted 16 times.

(Read: 55 Disasters Occurred in Mid-September 2023, Forest and Land Fires Dominated)