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Story summary
- Mount Anak Krakatau erupted, sending ash and gas skyward on September 4, 2026.
- Ash rose to about 20,000 feet east and 50,000 feet west, persisting for over 24 hours.
- Eight airports closed, canceling nearly 3,000 flights, and reopened on September 8 after BMKG ash tests.
- BMKG began cloud-seeding flights on September 7 and advised downwind residents to limit outdoor activity and wear masks.
