Mount Ili Lewotolok Erupted Early Tuesday, Status Set to Alert
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Tuesday (22/9/2026) at 03:20 WITA. This volcano has erupted 5 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 approximately 500 meters above the peak, or 1923 meters above sea level.
The thick grey ash column drifted west and northwest. This eruption was recorded on seismographs with maximum 40 mm amplitude and 29 seconds duration.
(Read: Visibility in 6 Priority Provinces for Peat Fire Management (8 September 2026))
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok is at Activity Level II (Alert). Seismic monitoring on 22 September 2026 (00:00-23:59 WITA) recorded 335 eruption earthquakes (16.6-40 mm amplitude, 24-128 second duration).
Additionally, 111 emission earthquakes (4.4-33.2 mm amplitude, 20-60 second duration) and 2 harmonic tremors (3.3 mm amplitude, 142-165 second duration) were detected.
PVMBG urges local residents, visitors, hikers and tourists to avoid entering or conducting activities within 2 km radius, plus 3 km restricted zone on the southern and southeastern sectors from the volcano's active center.
For the full year 2026, MAGMA Indonesia recorded 4,743 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest eruptions at 1841 events, while Mount Ili Lewotolok recorded 149 eruptions.
(Read: 53 Aircraft Fleets Support Peat Fire Control in 6 Priority Provinces)
"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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