4 Volcanoes Erupted in Indonesia — Are They Connected? 🌋

On September 9, 2026, four Indonesian volcanoes — Semeru, Anak Krakatau, Ili Lewotolok and Mount Ibu — were reported erupting around the same period. Were these eruptions connected? The evidence says no. They are separate volcanic systems spread across Indonesia. Anak Krakatau also caused significant disruption, with volcanic ash affecting air travel and airports in the region. So why did several volcanoes erupt around the same time? The answer lies in Indonesia's position along the Pacific Ring of Fire. The real story is fascinating enough. Some visuals in this video are illustrative or reconstructed and are not presented as actual footage of the September 9 events.