Mount Lewotobi Laki-laki Erupts Again Today, Ash Column Reaches 1,500 Meters
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Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Wednesday (17/6/2026) at 01:43 WITA. In the past week, this volcano has erupted 28 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 1,500 meters above the peak, or 3,084 meters above sea level.
The thick grey ash plume drifted west and northwest. This eruption was recorded on seismographs with maximum amplitude 47.3 mm, lasting 78 seconds.
(Read: Count of Moderately Damaged Houses Due To Natural Disasters in Indonesia 2015-2024)
Per MAGMA Indonesia volcano activity reports, Mount Lewotobi Laki-laki remains at Alert Level III (Standby). Seismic monitoring on 17 June 2026 18:00-23:59 WITA recorded 3 eruption earthquakes (amplitude 18.5-44.4 mm, duration 57-150 seconds), 2 emission earthquakes (2.9-7.4 mm, 31-47 seconds), and 4 non-harmonic tremor events (3.7-7.4 mm, 57-109 seconds).
PVMBG urges local residents, visitors and tourists to avoid all activity within 5 km of the eruption centre.
As of 2026, MAGMA Indonesia has logged 2,714 volcanic eruptions nationwide: Mount Semeru (East Java) recorded the highest count at 1,274 eruptions, while Mount Lewotobi Laki-laki recorded 223 eruptions.
(Read: Natural Disasters Damaged 220 Thousand Buildings in Indonesia in 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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