Mount Ili Lewotolok Erupted on Saturday Morning, Activity Status at Alert Level
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Saturday (26/9/2026) at 10:47 WITA. This volcano has erupted 10 times over 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 500 meters above the crater peak, or 1923 meters above sea level.
The thick grey ash column drifted westward. This eruption was recorded on seismographs with 40 mm maximum amplitude and 72 seconds duration.
(Read: Indonesia Air Quality Showed Slight Improvement in 2021)
Per MAGMA Indonesia volcano activity reports, Mount Ili Lewotolok remains at Activity Level II (Alert). Seismic monitoring on 26 September 2026 (00:00-23:59 WITA) recorded 226 eruption earthquakes with 19.5-40 mm amplitude and 32-142 second duration.
Additionally, 1 landslide earthquake (3.9 mm amplitude, 57 second duration) and 156 gas emission earthquakes (7.8-40 mm amplitude, 20-66 second duration) were detected.
PVMBG warns local residents, visitors, hikers and tourists not to enter or conduct activities within 2 km radius, plus 3 km restricted zone in the south and southeast sectors from the volcano active centre.
Throughout 2026, MAGMA Indonesia recorded 4,798 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest eruptions at 1859 events, while Mount Ili Lewotolok recorded 154 eruptions.
(Read: Jakarta Air Quality Remains Poor Despite Recent Rainfall)
"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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