Yes, Indonesia sits squarely on the Pacific Ring of Fire. This horseshoe-shaped zone of tectonic plate boundaries encircles the Pacific Ocean and hosts 75% of the world's volcanoes and 90% of its earthquakes. Indonesia's location at the convergence of the Indo-Australian, Eurasian, and Pacific plates makes it exceptionally prone to:
Major events: 2004 Aceh tsunami, 2006 Yogyakarta quake, 2018 Palu quake/tsunami, 2018 Anak Krakatau eruption/tsunami.