Alert! Mount Ili Lewotolok Erupts Again Tonight (Saturday, 12 September 2026)
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Mount Ili Lewotolok in East Nusa Tenggara erupted again on Saturday (12/9/2026) at 18:04 WITA. Over the past week, this volcano has erupted 32 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, or 1923 meters above sea level.
The thick grey ash column drifted westward. This eruption was recorded on seismographs with maximum 40 mm amplitude and 80 second duration.
(Read: Indonesia Air Quality Slightly Improved in 2021)
Per MAGMA Indonesia volcanic activity reports, Mount Ili Lewotolok remains at Activity Level II (Alert). Seismic monitoring on 12 September 2026 (00:00-23:59 WITA) recorded 369 eruption earthquakes with 22.1-40 mm amplitude and 27-160 second duration.
Additionally, 4 collapse earthquakes (8.8-40 mm amplitude, 41-98 seconds) and 141 emission earthquakes (8.8-40 mm amplitude, 22-63 seconds) were detected.
PVMBG advises local residents, visitors, hikers and tourists to avoid all activity within 2 km radius of the volcano, and 3 km radius for southern / southeastern sectors.
During 2026, MAGMA Indonesia recorded 4599 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the most eruptions at 1793 events, while Mount Ili Lewotolok registered 120 eruptions.
(Read: Jakarta Air Quality Poor, Ranks Worse Than Other ASEAN Capitals)
"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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