Mount Ili Lewotolok Erupted Again This Morning, Ash Plume Reaches 600 Meters Above Summit
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Friday (11/9/2026) at 07:09 WITA. Over the past week, this volcano has erupted 21 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 approximately 600 meters above the summit, or 2023 meters above sea level.
The ash plume was observed grey to black, thick, and drifting westward. This eruption was recorded on seismographs with maximum 40 mm amplitude and 60 seconds duration.
(Read: Jakarta Flood Point Distribution (23 January 2026, 07:00 WIB))
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok remains at Activity Level II (Alert). Seismic monitoring on 11 September 2026 (00:00-23:59 WITA) recorded 322 eruption earthquakes (22-40 mm amplitude, 35-101 sec duration), 84 gas emission earthquakes (4.4-33.2 mm amplitude, 20-65 sec duration), and 5 harmonic tremor events (4.4-40 mm amplitude, 116-200 sec duration).
PVMBG warns local residents, visitors, hikers and tourists not to enter or conduct activities within 2 km radius, and within 3 km radius on the southern and southeastern sectors of the volcano.
During 2026, MAGMA Indonesia recorded 4563 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest eruptions at 1776 events, while Mount Ili Lewotolok recorded 109 eruptions.
(Read: Damage Count: Facilities Damaged by Floods & Landslides in Sumatra (11 December 2025))
"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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