Mount Ili Lewotolok Erupts Again Tonight, Eruption Height Around 100 Meters
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Sunday (13/9/2026) at 20:38 WITA. Over the past week, this volcano has erupted 33 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 100 meters above the summit, or 1,523 meters above sea level.
The grey ash column drifted northwest at medium intensity. This eruption was registered on seismographs with maximum 40 mm amplitude and 27 seconds duration.
(Read: Damaged Facilities Count: Sumatra Floods & Landslides (11 December 2025 Update))
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok remains at Alert Level II. Seismic monitoring on 13 September 2026 (00:00-23:59 WITA) recorded 377 eruption earthquakes: 33.2-40 mm amplitude, 31-125 seconds duration.
Additionally, 121 emission earthquakes (3.3-33.2 mm amplitude, 20-62 sec duration) and 14 harmonic tremors (2.2-16.6 mm amplitude, 72-230 sec duration) were detected.
PVMBG advises local residents, visitors, hikers and tourists not to enter or conduct activities within 2 km radius, plus 3 km exclusion zone for south and southeast sectors of the volcano active centre.
Throughout 2026, MAGMA Indonesia logged 4,618 volcanic eruptions nationwide. Mount Semeru (East Java) recorded the highest eruptions at 1,804 events, while Mount Ili Lewotolok recorded 121 eruptions.
(Read: Jakarta Flood Location Spread: 23 January 2026, 07:00 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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