Explore key facts about Indonesia's 500 volcanoes, including 127 active ones and their impact on air travel and safety.

Mount Anak Krakatau has erupted since late on Friday, with volcanic ash disrupting hundreds of flights as Indonesia faces a string of natural disasters across the archipelago.

Indonesia’s Anak Krakatau volcano has erupted, causing flight cancellations at Jakarta's Soekarno-Hatta International Airport and stranding about 170,000 passengers in the region