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The Ryukyu Arc is an island arc which extends from the south of Kyushu along the Ryukyu Islands to the northeast of Taiwan, spanning about 1,200 kilometres (750 mi). [ 2 ] [ 3 ] [ 4 ] It is located along a section of the convergent plate boundary where the Philippine Sea Plate is subducting northwestward beneath the Eurasian Plate along the ...
The Ryukyu Islands [note 1] (琉球列島, Ryūkyū-rettō), also known as the Nansei Islands (南西諸島, Nansei-shotō, lit."Southwest Islands") or the Ryukyu Arc (琉球弧, Ryūkyū-ko), are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi, Tokara and Amami) and Okinawa Prefecture (Daitō, Miyako ...
English: Location map of Japan Equirectangular projection. Geographic limits to locate objects in the main map with the main islands: N: 45°51'37" N (45.86°N) S: 30°01'13" N (30.02°N)
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The Okinawa Trough in context of back-arc basins of the world. The Okinawa Trough (沖縄トラフ, Okinawa Torafu) (also called Chinese: 中琉界沟, literally "China-Ryukyu Border Trough" [1]) is a seabed feature of the East China Sea. It is an active, initial back-arc rifting basin which has formed behind the Ryukyu arc-trench system in the ...
The Daitō Islands, the Izu–Bonin–Mariana Arc, the Kuril Islands, and the Nanpō Islands neighbor the archipelago. Japan is the largest island country in East Asia and the fourth-largest island country in the world with 377,975.24 km 2 (145,937.06 sq mi). [3] [4] It has an exclusive economic zone of 4,470,000 km 2 (1,730,000 sq mi). [5]
Its predecessor was the Ryukyu Kingdom, an independent nation until 1879. [3] Japan has de facto control over the disputed Senkaku Islands, claiming them as part of Ishigaki City in Okinawa Prefecture. [4] However, they are not geographically within the Ryukyu Archipelago, being located further westward in the East China Sea.
In the northern part of the trench, several transects have been studied, including a profile of the back arc region parallel to the trench, a transect spanning the trench, fore arc and back arc region, and a transect spanning the Ryukyu volcanic arc. [7] The transect perpendicular to the length of the trench images many distinct velocity layers.