Volcanic activity at Mount Ile Lewotolok in Lembata Regency, East Nusa Tenggara, has reportedly increased again. This rise is marked by more frequent eruptions and loud booming sounds heard from mid-June to early July 2026, although the volcano's status currently remains at Level II (Advisory).
Ile Lewotolok Volcano Observatory (PGA) official, Stanislaus Arakian, revealed that there has been a significant increase in the frequency of eruption earthquakes and gust earthquakes. In fact, the booms originating from the crater were reported to be strong enough to cause vibrations in the walls and window glass of residents' houses on the slopes.
Monitoring data recorded a dense surge in seismic activity. Throughout June, thousands of eruption and gust earthquakes were recorded, followed by similar activity in early July. Although seismic energy measurements via Real-time Seismic Amplitude Measurement (RSAM) showed an increase, officials noted the values remain below the peak seismic energy of the previous month.
Visually, the volcano crater is emitting white smoke of varying intensity and an eruption column 100 to 600 meters above the peak. Ejections of incandescent material were also observed heading toward the southeast and south sectors for distances of 100 to 500 meters, indicating potential risk for surrounding areas.
The Center for Volcanology and Geological Hazard Mitigation (PVMBG) has established a two-kilometer safety radius from the center of activity. Residents, hikers, and tourists are requested not to engage in activities within this zone to avoid the danger of lava flows and pyroclastic flows. Additionally, the public is advised to wear masks and eye protection to anticipate exposure to volcanic ash and to remain calm during ongoing seismic activity.
