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
Flora of Indonesia released with this motto. They show pictures of plants and animals, which are endemic or unique to a specific region or a province of Indonesia. Deforestation is a major problem in Indonesia. The current rate is a loss of 2 million hectares per year. As a highly populous country with the tendency of rapid industrialisation, the need of natural resources and land also increases. Illegally created wildfire causes heavy smog around Indonesia's neighbour countries. According to the Indonesian department of forestry, there are currently 174 plants endemic in Indonesia listed as endangered species. Maintaining the balance between the need of