Anak Krakatau eruption sends ash 50,000 feet high, disrupting flights
A prolonged eruption at Indonesia's Anak Krakatau volcano in early September sent ash up to 50,000 feet, forcing closure of eight airports and disrupting nearly 3,000 flights. NASA satellites captured the plume spreading across the region, and air quality was affected as far as Jakarta.
The eruption began with a prolonged explosive phase lasting over a day, with Landsat 8 and Suomi NPP satellites documenting a bright gas plume and darker ash cloud. Meteorological reports indicated ash reached 15,000 meters westward while drifting lower at 6,000 meters east of the volcano.
The volcano, situated between Java and Sumatra, typically produces modest Strombolian activity but demonstrated far more hazardous capability. By September 6, explosive force diminished, though Anak Krakatau retained its elevated alert status from early July. The Indonesian Humanitarian Coordination Platform distinguished volcanic ash from peatland fire smoke, citing different particle properties and protective needs.
The eruption's impact on regional air travel and public health could extend beyond the immediate disruption. Communities across Java and Sumatra, including Jakarta's millions of residents, may face lingering respiratory concerns from ash exposure, particularly vulnerable populations such as children and the elderly. The closure of eight airports and nearly 3,000 disrupted flights could have economic ripple effects on tourism, commerce, and supply chains. If Anak Krakatau's elevated alert persists, future eruptions may require more robust preparedness measures from authorities and residents alike.