Oceanic trench the level of the surrounding oceanic floor. The greatest ocean depth measured is in the Challenger Deep of the Mariana Trench, at a depth of below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km/yr. There are approximately of convergent plate margins, mostly around the Pacific Ocean—the reason for the reference “Pacific-type” margin—but they are also in the eastern Indian Ocean, with relatively short convergent margin segments in the Atlantic Ocean and in the Mediterranean Sea. Globally, there are over 50 major ocean trenches covering an area of 1.9 million km or about 0.5%
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