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Map of the Sunda Strait in 1729 by Pierre van der Aa. Extending in a roughly southwest/northeast orientation, with a minimum width of 24 km (15 mi) at its northeastern end between Cape Tua on Sumatra and Cape Pujat on Java, the strait is part of the Java Sea. [2] [3] It is essentially triangular in shape, with two large bays on its northern ...
Map of Sahul and Sunda. Geologically, the Sunda Shelf (/ ˈ s ʌ n d ə / [1]) is a south-eastern extension of the continental shelf of Mainland Southeast Asia.Major landmasses on the shelf include the Indonesian islands of Bali, Borneo, Java, Madura, and Sumatra, as well as their surrounding smaller islands. [2]
The Sunda Trench, earlier known as and sometimes still indicated as the Java Trench, [1] is an oceanic trench located in the Indian Ocean near Sumatra, formed where the Australian-Capricorn plates subduct under a part of the Eurasian plate. It is 3,200 kilometres (2,000 mi) long with a maximum depth of 7,290 metres (23,920 feet). [2]
The Sahul Shelf and the Sunda Shelf today. The area in between is called "Wallacea"Sundaland [1] (also called Sundaica or the Sundaic region) is a biogeographical region of Southeast Asia corresponding to a larger landmass that was exposed throughout the last 2.6 million years during periods when sea levels were lower.
The Java Sea covers the southern section of the 1,790,000 km 2 (690,000 sq mi) Sunda Shelf. A shallow sea, it has a mean depth of 46 m (151 ft). It measures about 1,600 km (990 mi) east-west by 380 km (240 mi) north-south [4] and occupies a total surface area of 320,000 km 2 (120,000 sq mi).
The deep water of the Lombok Strait between Bali and Lombok formed a water barrier even when lower sea levels linked the now-separated islands and landmasses on either side. The Wallace Line or Wallace's Line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace and named by the English biologist Thomas Henry ...
The Sumatra Trench is a part of 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 (190 mi) from the southwest coast of Sumatra and Java islands.
The Sunda Trench marks the deepest point of the Timor Sea with a depth of more than 3300 metres, separating the continents of Oceania in the southeast and Asia to the northwest and north. The Timor sea is prone to earthquakes and tsunamis north of the Sunda Trench , due to its location on the Ring of Fire as well as volcanic activity and can ...