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
Directorate General of Immigration (Indonesia) the passenger to produce any necessary documents (such as hotel reservation and proof of finance). Indonesian passport is a travel document issued by the Government of Indonesia to Indonesian citizens residing in Indonesia or overseas. The main governing body with regards to the issuance of such passport(s), possession(s), withdrawal and related matters is the Directorate General of Immigration under Ministry of Law and Human Rights. Indonesia is one among many countries in the world that does not recognize multiple citizenship for its citizens and such citizens will automatically lose her/his Indonesian citizenship if another citizenship is acquired voluntarily. Special exceptions