On Sunday, September 6, 2026, Jakarta's Soekarno-Hatta airport suspended flights due to volcanic ash from Anak Krakatoa.
The eruption began late Friday evening. Ash reached the airport early Sunday morning, Indonesia's transportation ministry said.
The airport, the country's largest, suspended operations until 13:30 local time. This affected between 209 and 301 flights, including dozens of international ones.
Sixteen international flights were canceled, seven delayed, and five rescheduled. Destinations included Singapore, Hong Kong, Sydney, and Amsterdam. Singapore Airlines canceled all flights to and from Jakarta for the rest of the day.
Ash spread over parts of Java and Sumatra. The plume reached heights of up to 15 000 meters on the Sumatra side and 6000 meters on the Java side, according to the BMKG meteorological agency.
On Saturday, classes were canceled in several schools: students and residents experienced eye irritation from the ash. Fishermen canceled their trips to sea.
The disaster mitigation agency said there was no immediate tsunami threat. The question is how long restrictions for air passengers will last.
Anak Krakatoa is located in the Sunda Strait between Java and Sumatra and has been active since early July, with eruptions intensifying on September 4.

