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The trench stretches from the Lesser Sunda Islands past Java, around the southern coast of Sumatra to the Andaman Islands, and forms the boundary between the Indo-Australian plate and Eurasian plate (more specifically, Sunda plate). The trench is considered to be part of the Alpide belt as well as one of oceanic trenches around the northern ...
The western and southern borders of Sundaland are clearly marked by the deeper waters of the Sunda Trench – some of the deepest in the world – and the Indian Ocean. [4] The eastern boundary of Sundaland is the Wallace Line , identified by Alfred Russel Wallace as the eastern boundary of the range of Asia's land mammal fauna, and thus the ...
A simplified map of the geological structures of Indonesia. The tectonics of Indonesia are very complex, as it is a meeting point of several tectonic plates.Indonesia is located between two continental plates: the Sahul Shelf and the Sunda Plate; and between two oceanic plates: the Pacific Plate and the Philippine Sea Plate.
"Sunda" denotes the continental shelves or landmasses: the Sunda Shelf in the west and the Sahul/Arafuru Shelf in the east. Other terms associated with "Sunda" include the Sunda Island Arc or the arc of Sunda Islands, Sunda Fold or tectonic folding in the Natuna Sea, the Sunda Trench, and Sundaland.
The Forearc region is the area between an oceanic trench and its associated volcanic arc. The oceanic trench associated with the Nias Basin is the Sunda Trench, and the associated volcanic arc is the Sunda Arc. The Nias Basin itself is structurally bounded to the west by the Mentawai Fault and bounded to the east by the Volcanic Arc island of ...
"Sunda" also denotes continental shelves or landmasses. Indonesia itself has two shelves: the Sunda Shelf in the west and the Sahul/Arafuru Shelf in the east. Other terms associated with "Sunda" include the Sunda Island Arc or the arc of Sunda Islands, Sunda Fold or tectonic folding in the Natuna Sea, the Sunda Trench, and Sundaland. [1]
The Sunda Arc is a volcanic arc that produced the volcanoes that form the topographic spine of the islands of Sumatra, Nusa Tenggara, Java, the Sunda Strait, and the Lesser Sunda Islands. The Sunda Arc begins at Sumatra and ends at Flores , and is adjacent to the Banda Arc . [ 1 ]
The Sunda plate is a minor tectonic plate straddling the equator in the Eastern Hemisphere on which the majority of Southeast Asia is located. [ 1 ] The Sunda plate was formerly considered a part of the Eurasian plate , but the GPS measurements have confirmed its independent movement at 10 mm/yr eastward relative to Eurasia.