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Mount Lewotobi Laki-Laki Erupts With 10km Ash Column and Volcanic Lightning

Officials cite recent gas accumulation as the cause, warning that heavy rains could trigger hazardous lahars along river valleys.

Mount Lewotobi Laki-Laki spewed a column of molten ash topped with volcanic lighnting into the Flores' night sky
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lewotobi laki laki eruption august 1 2025 f

Overview

  • Mount Lewotobi Laki-Laki erupted at 8:48 p.m. local time on August 1, sending a 10,000-metre ash column crowned with volcanic lightning into the night sky.
  • Geological Agency head Muhammad Wafid said the eruption was precipitated by weeks of gas buildup beneath the volcano.
  • Unlike a July eruption that grounded 24 flights at Bali’s international airport, no immediate damage or flight cancellations have been reported after Friday’s blast.
  • Authorities continue to enforce a six-kilometre exclusion zone around the crater and have instructed residents and tourists to remain outside the safety perimeter.
  • Officials warned that heavy rains could mobilize volcanic debris into hazardous lahars, posing threats to communities along nearby rivers.