The four other airports that have been closed are Lombok International Airport as well as Selaparang Airport (both on the island of Lombok), Blimbingsari Airport (Banyuwangi, East Java), and Notohadinegoro Airport (Jember, East Java).

Although no people have been evacuated (yet), the local government advises people to stay away from a two-mile high-danger zone around Mount Raung, while local residents are advises to wear masks to protect their health.

Mount Raung is one of Indonesia’s 129 active volcanoes. Indonesia, located on the Pacific ‘Ring of Fire’ is the country that contains the highest number of active volcanoes of all countries in the world. The Eurasian Plate, Pacific Plate and Indo-Australian Plate are three active tectonic plates that cause the subduction zones that form these volcanoes. Indonesia’s 129 active volcanoes are all carefully observed by the Centre of Volcanology and Geological Hazard Mitigation (Pusat Vulkanologi dan Mitigasi Bencana Geologi).