Mount Ili Lewotolok Erupted Again This Afternoon (Friday, 11 September 2026)
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Friday (11/9/2026) at 13.20 WITA. In the past week, this volcano has erupted 23 times.
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 (1923 meters above sea level).
The thick grey ash column drifted west and northwest. This eruption was recorded on seismographs with maximum 40mm amplitude and 89 second duration.
(Read: 2025 Indonesia Forest Fire Carbon Emissions: North Sumatra Highest)
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok remains at Alert Level II. Seismic monitoring on 11 September 2026 (00.00-23.59 WITA) logged 322 eruption earthquakes (22-40mm amplitude, 35-101s duration).
Additionally there were 84 degassing tremors (4.4-33.2mm amplitude, 20-65s duration) and 5 harmonic tremors (4.4-40mm amplitude, 116-200s duration).
PVMBG warns residents, visitors, hikers and tourists to avoid all activity within 2km of the volcano, and 3km in the southern/southeastern sectors.
During 2026 up to this date, MAGMA Indonesia recorded 4,570 volcanic eruptions nationwide. Mount Semeru (East Java) recorded the most eruptions at 1,779 events, while Mount Ili Lewotolok has erupted 111 times.
(Read: Celios: Forest Fires Risk Losing IDR 269.86 Billion Regional Tax Revenue)
"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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