The Indonesian archipelago is located on the Ring of Fire, an area of high volcanic and seismic activity that circles the Pacific Ocean. The area is home to about 75 percent of the world’s active and dormant volcanoes. The two plates that create the volcanoes in Indonesia are the Indo-Australian Plate and the Pacific Plate.
The Indo-Australian Plate is a large, relatively thin plate that is made up of the crust and upper mantle of the Indian and Australian continents. …