Geology of Indonesia active volcanoes formed Sumatra, Java, Bali, and Nusa Tenggara islands, most of which, particularly Java and Bali, emerged within the last 2–3 million years. The Pacific and Australian plate movements controlled the tectonics of the eastern portion of Indonesia. The tectonics processes in Indonesia formed major structures in Indonesia. The most prominent fault in the west of Indonesia is the Semangko Fault or the Great Sumatran Fault, a dextral strike-slip fault along Sumatra Island (about 1900 km). The formation of this fault zone is related to the subduction zone in the west of Sumatra. Palu-Koro fault is another major structural
Christianity in Indonesia 0.07% of Christians within Indonesia. Gorontalo had the fourth-smallest percentage (among religions reported in the province) of Christians (1.67%), including the smallest percentage of Catholics (0.07%) and seventh-smallest percentage of Protestants (1.59%). The region of Central Sulawesi is overall 17% Protestant; however, this ranges from 3% in Buol, to the west of North Sulawesi, up to 56%, in the central Poso Regency. Only in the Banggai islands (4%) has a Catholic populations exceeding 1%. Sigi, a neighboring city of Poso, also has a large Protestant population, at 34%. West Sulawesi is 99%+ Islamic in the south, but Mamasa, part of