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Eight Indonesian airports closed as Anak Krakatau volcanic ash spreads

Indonesia's aviation authority has kept eight airports shuttered due to airborne volcanic ash from Anak Krakatau, with officials warning that further eruptions remain a significant risk in coming days.

LSN Malaysia · 7 September 2026

Eight Indonesian airports closed as Anak Krakatau volcanic ash spreads

Eight airports across Indonesia remain closed following recent volcanic activity from Anak Krakatau, disrupting regional air traffic and stranding travellers. The closures stem from hazardous volcanic ash in the atmosphere, which poses a serious threat to aircraft operations and engine safety.

The volcano monitoring agency has maintained elevated alert status, cautioning that the probability of additional eruptions remains substantial. Scientists continue tracking seismic activity and gas emissions from the volcano, which sits in the Sunda Strait between Java and Sumatra.

Airport authorities have not yet announced when normal operations will resume, pending improvements in atmospheric conditions and further assessment from monitoring officials. Airlines operating in the region have implemented flight cancellations and rerouting measures to accommodate the disruptions.

The closure represents the latest disruption to Southeast Asian aviation caused by volcanic activity. Authorities have urged travellers to remain in contact with airlines for updated information and remain prepared for extended travel delays.