Mount Anak Krakatau: What to know about the volcano disrupting Indonesia flights

Mount Anak Krakatau in Indonesia has erupted, causing significant flight disruptions and health concerns due to volcanic ash. The volcano, formed after the historic 1883 eruption, remains a major geological hazard in the Sunda Strait.
Why it matters
Demonstrates the ongoing impact of natural disasters on regional travel and infrastructure in Indonesia.
SINGAPORE: A series of eruptions at Indonesia’s Mount Anak Krakatau since Friday (Sept 4) have disrupted flights and daily life as volcanic ash spread more than 150km away, blanketing Jakarta and nearby areas.
Several schools in Indonesia cancelled activities on Saturday (Sept 5) after students and residents reported suffering eye irritation from the ash, while fishermen scrapped their fishing trips.
Eight Indonesian airports, including two in Jakarta, remained closed on the morning of Sept 7, with at least 170,000 people affected by flight cancellations.
Here are some key facts about the Mount Anak Krakatau volcano:
Mount Anak Krakatau lies in the Sunda Strait, which separates the islands of Sumatra and Java.
The young volcano emerged from the strait less than 80 years ago, and its crater is located south-west of the centre of the island.
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