Science, Discovery, Tech and Environment · 6 September 2026

Anak Krakatau Eruption Disrupts Jakarta Flights

Exam-focused facts from the 6 September 2026 current affairs briefing.

Key facts

  • Anak Krakatau volcano erupted on Sunday, cancelling flights at Jakarta's Soekarno-Hatta International Airport due to volcanic ash.
  • Indonesian meteorological agency BMKG reported that the volcano had been erupting since Friday.
  • The eruption produced a 'lava fountain' and booming sounds, according to BMKG.
  • Two new eruptions were recorded on Sunday.
  • The volcano is located in the Sunda Strait between the islands of Java and Sumatra.
  • Ash was identified as high as 6,000 metres on the Java side, with a plume of up to 15,000 metres on the Sumatra side.
  • Soekarno-Hatta International Airport suspended flight operations until 1:30pm (06:30 GMT) due to increased eruptive activity.
  • More than 200 flights were impacted by the eruption.
  • The volcano's 2018 eruption triggered a tsunami along the coasts of Sumatra and Java, killing 430 people and causing it to lose much of its visible height.
  • Anak Krakatau, meaning 'Child of Krakatau,' was created after the 1883 eruption of Krakatau volcano, which killed an estimated 35,000 people.