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
CIA activities in Indonesia undercover agent, but the same memo says that the US ambassador in Indonesia, Howard Jones, is actually a CIA agent. The memo alleges collusion between Palmer and Jones, and also says that Palmer hosted Allen Dulles at his home, for a secret meeting. The memo cites as its source a periodical called "Mainstream". According to the memo, "Mainstream"'s investigative journalism had discovered evidence that Palmer has been involved in many counterrevolutionary incidents, anti-Sukarno activities, among other "subversive assignments." "Mainstream" accuses Palmer of providing financial assistance to organizations and parties that can help "form a pro-US cabinet in Indonesia." However, about