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
S. Olvah Alhamid S. Olvah Alhamid Syarifah Olvah Alhamid (; ; born March 24, 1990) or beter known as S. Olvah Alhamid is an Indonesian model from Kaimana Regency and became the first Papuan women who advanced to the Top 5 of Puteri Indonesia, precisely at the beauty pageant of Puteri Indonesia 2015. For his victory in the Top 5 Puteri Indonesia 2015, Olvah then appointed by the Puteri Indonesia Foundation to represent Indonesia in the Miss Eco Universe 2016 beauty pageant held in Egypt. At the pageant, he managed to occupy the Top 16 position and also won best national costume with