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Anak Krakatau volcano erupts and sends ash high into sky

Anak Krakatau volcano in Indonesia erupted for more than 24 hours in early September 2026, sending ash up to 50,000 feet.

Anak Krakatau blasts ash nearly 10 miles high
File photo Anak Krakatau blasts ash nearly 10 miles high Photo: ScienceDaily

Explosive activity lasted over a day

The eruption began in early September and continued explosively for more than twenty-four hours. Large amounts of gas and ash were pushed high into the atmosphere during this period. NASA satellites captured images showing the plume spreading across the region.

Air travel faced major disruptions

The volcanic event caused eight airports to shut down temporarily while nearly 3,000 flights were disrupted. Air quality deteriorated significantly in several areas including the capital city of Jakarta. The ash cloud reached heights that impacted aviation safety over a wide area.

Satellites tracked the ash plume

Observations from space revealed a bright white column of volcanic gas rising above darker brown ash clouds. Images collected by the Landsat 8 satellite showed the extent of the eruption on September 5. The VIIRS instrument provided broader views of how the material spread across the region.

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