Sumatra Trench Sumatra Trench The Sumatra Trench belongs to the Sunda Trench or Java Trench. The Sunda subduction zone (called also: the Sumatra-Andaman subduction zone) is located in the east part of Indian Ocean, and is about 300 km from the southwest coast of Sumatra and Java islands. It extends over 5000 km long, starting from Burma in the northwest and ending at Sumba Island in the southeast. The Java trench was generated by the oblique subduction of the Indo-Australian Plate into the Sunda plate at a rate of 61mm/y (in the south) and 51mm/y (in the north). The oceanic crust being
West Java Java Province to Central or East Java Provinces is literally said to be moving from Sunda to Java worlds. Bandung, the capital city of West Java, is considered as the cultural heartland of Sundanese people. Many indigenous Sundanese artforms were developed in this city. The nearby province of Banten, which was formerly part of West Java before it became its own province, is similar in this regard and is also considered to be part of "Pasundan" as well. The musical arts of Sunda, which is an expression of the emotions of Sundanese culture, express politeness and grace of Sundanese. Degung