Mount Ili Lewotolok Erupted on Monday Evening, Activity Status at Alert Level
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Monday (13/7/2026) at 18:53 WITA. Only one eruption was recorded at this volcano 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 approximately 300 meters above the summit, or 1,723 meters above sea level.
The ash column appeared white to grey, with thick density drifting westward. This eruption was registered on seismographs with maximum amplitude 40 millimeters and lasted 63 seconds.
(Read: Updated Count of Damaged Facilities due to Sumatra Floods & Landslides (11 December 2025))
Per MAGMA Indonesia volcano activity reports, Mount Ili Lewotolok is currently set at Level II (Alert). Seismic monitoring on 13 July 2026 00:00-23:59 WITA recorded 149 eruption earthquakes with amplitude 15.7-40 mm, lasting 32-126 seconds each.
Additionally, 6 collapse earthquakes (amplitude 2.7-8.6 mm, duration 30-58 seconds) and 119 emission earthquakes (amplitude 2.2-18.4 mm, duration 24-60 seconds) were detected.
PVMBG urges local residents, visitors, hikers and tourists not to enter or conduct activities within the 2 kilometer radius exclusion zone from Mount Ili Lewotolok's active crater.
For the year 2026 so far, MAGMA Indonesia has logged 3,156 volcanic eruptions nationwide. Mount Semeru in East Java recorded the highest eruptions at 1,394 events, while Mount Ili Lewotolok registered 48 eruptions.
(Read: Increased Flood Points in Jakarta (23 January 2026, 12.00 WIB))
"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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