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
Traditions of Indonesia Traditions of Indonesia Traditions of Indonesia are traditions, beliefs, values, and customs that belong within the culture of Indonesian people. Indonesia is a vast country of sprawling archipelago with a diverse demographic range of over 300 ethnic groups, and speaking more than 700 living languages. With 202.9 million Muslim s (93.2% of the total population as of 2009), Indonesia has the largest Muslim population in the world. Indonesia also has significant numbers of Christians. Protestant and Catholics population are the majority, with other Christian groups existing as well. The majority of Hindu demographics in Indonesia live in the island of