Mount Ili Lewotolok Erupted on Wednesday Afternoon, Activity Status Set to Alert Level
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Wednesday (9/9/2026) at 14:49 WITA. It has erupted 9 times in the past week.
Per the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via MAGMA Indonesia, the ash column reached ~500m above the summit (1923m above sea level).
Thick grey ash drifted west. This eruption registered max 40mm seismograph amplitude, 80 second duration.
(Read: Indonesia Has The Most Active Volcanoes Worldwide)
Mount Ili Lewotolok remains at Activity Level II (Alert). On 9 September 2026, 442 eruption earthquakes, 60 emission earthquakes and 1 harmonic tremor were recorded.
PVMBG bans all entry within 2km radius, and 3km south/southeast sectors of the volcano for residents, hikers and visitors.
In 2026, 4,519 total volcanic eruptions were logged across Indonesia. Mount Semeru recorded the highest eruptions (1,762 events), while Mount Ili Lewotolok recorded 97 eruptions.
(Read: Indonesia Ranks First Globally For Number Of Active Volcanoes)
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