Mount Ili Lewotolok Erupted Again This Afternoon (Monday, 7 September 2026)
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Monday (7/9/2026) at 16:40 WITA. This volcano has erupted 4 times in the past week.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached around 700 meters above the summit, or 2,123 meters above sea level.
The thick grey ash column drifted northwest. This eruption was recorded on seismographs with maximum amplitude 40 mm and duration of 55 seconds.
(Read: Number of Heavily Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok is currently at Alert Level II (Advisory). Seismic monitoring on 7 September 2026 (00:00-23:59 WITA) recorded 291 eruption earthquakes with amplitude 22.1-40 mm, duration 20-150 seconds.
Additionally: 74 explosion earthquakes (amplitude 5.5-33.2 mm, 20-65 sec duration), and 11 harmonic tremors (amplitude 2.2-40 mm, 53-212 sec duration).
PVMBG urges local residents, visitors, hikers and tourists not to enter or conduct activities within a 2 km radius, and 3 km radius for southern & southeast sectors from the volcano active centre.
During 2026, MAGMA Indonesia registered 4,487 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest eruptions at 1,757 events, while Mount Ili Lewotolok registered 92 eruptions.
(Read: 1,300 Natural Disasters Occurred in Indonesia Up to September 2024, Full Breakdown Here)
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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