Ijen volcano (East Java, Indonesia): alert raised to yellow

The alert level of Ijen volcano in East Java has been raised to alert/unrest (2 out of 4) due to increased seismic activity and increased temperatures and fumaroles inside the crater, famous for its turquoise acid lake and the sulfur deposits, which are being quarried by workers.
An exclusion zone of 1 km around the crater has been established. Workers and tourists are currently not allowed to go inside the crater.

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• Indonesia raises danger status of Mount Kawah Ijen to level II (

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