Indonesia’s Anak Krakatau

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HQ Web Team

Anak Krakatau erupts ash and volcanic gases in this Sept. 5, 2026, image acquired with the OLI (Operational Land Imager) on Landsat 8. Eruptions are a regular occurrence at Anak Krakatau, a small volcano between the Indonesian islands of Java and Sumatra. Much of its activity remains relatively mild, but it occasionally puts on more impressive and hazardous shows of force. In early September 2026, a booming eruption lasting more than 24 hours sent gas and ash high into the atmosphere, disrupting thousands of flights and degrading air quality in parts of the country, including the capital city of Jakarta.

Learn more about the recent eruption.

Image credit: NASA/Michala Garrison