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
National costume of Indonesia of traditional attire and dress from each province with its own unique and distinguished designs. National costumes are worn during official occasions as well as traditional ceremonies. The most obvious display of Indonesian national costumes can be seen by the type of costumes worn by the President of Indonesia and the Indonesian first lady in many and different types of occasions and settings, and also worn by Indonesian diplomatic officials during gala dinners. Traditional weddings and formal ceremonies in Indonesia are also one of the important occasions in the country where the attire of the national costume of Indonesia is