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Sunda Trench - Definition and Overview |
| Related Words: Abri, Abyss, Adit, Aqueduct, Benthos, Bore, Bottom, Bottoms, Breach, Break, Bunker |
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There was previously an image in this space. It was removed due to a lack of a free license. The image is pending deletion, and this notice will be removed once the image is deleted. You can still view the image, which was called GINCO-Iimage.png. The caption displayed for this image was "A section of the Sunda Arc".
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The Sunda Arc is a volcanic arc that has produced the islands of Sumatra and Java and the Sunda Strait and the Lesser Sunda Islands. A chain of volcanoes forms the topographic spine of these islands. The arc marks an active convergence zone between the East Eurasian plates that underlie Indonesia, especially the Sunda Plate and the Indo-Australian Plate that also forms the seabed of the Indian Ocean and the Bay of Bengal. The Sunda Arc is a classic example of a volcanic island arc, in which all the elements of such geodynamic features can be identified.
The Indo-Australian Plate is subducting under its northeast boundary.
Outside its tectonic deformation faultline (which shifted, creating the 2004 Indian Ocean earthquake, December 26, 2004) lies the Sunda Trench.
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