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The {{Nihongo|'''Ryukyu arc'''|琉球弧|Ryūkyū-ko}} is a volcanic [[island arc]] system of Japan's triple junction formed by the [[subduction]] of the [[Phillipine plate]] beneath the [[Eurasian plate]] between [[Ryukyu Trench]] to the south-east and the [[Okinawa Trough]] to north-west.<ref>{{cite web | authorlink = 沖繩縣文化環境部自然保護課 | title = Nature in Okinawa | publisher =沖繩縣 | url = http://www.pref.okinawa.lg.jp/site/kankyo/shizenhogo/hogo/documents/p1-7.pdf | accessdate = 2012-09-30 }}</ref> It comprises the entirety of the [[Ryukyu Islands]] chain. The Ryukyu and [[Southwest Honshu arc]]s together form the southwest trending arm of the [[Boso Triple Junction]].
The {{Nihongo|'''Ryukyu arc'''|琉球弧|Ryūkyū-ko}} is a volcanic [[island arc]] system of Japan's triple junction formed by the [[subduction]] of the [[Phillipine plate]] beneath the [[Eurasian plate]] between [[Ryukyu Trench]] to the south-east and the [[Okinawa Trough]] to north-west.<ref>{{cite web | authorlink = 沖繩縣文化環境部自然保護課 | title = Nature in Okinawa | publisher =沖繩縣 | url = http://www.pref.okinawa.lg.jp/site/kankyo/shizenhogo/hogo/documents/p1-7.pdf | accessdate = 2012-09-30 }}</ref> It comprises the entirety of the [[Ryukyu Islands]] chain. The Ryukyu and [[Southwest Honshu arc]]s together form the southwest trending arm of the [[Boso Triple Junction]].

==Major islands==
;{{nihongo|Nansei Islands|南西諸島|Nansei-shotō}}
* {{nihongo|[[Satsunan Islands]]|薩南諸島|Satsunan-shotō}}
** {{nihongo|[[Ōsumi Islands]]|大隅諸島|Ōsumi-shotō}} with:
*** [[Tanegashima]], [[Yakushima|Yaku]], [[Kuchinoerabu Island|Kuchinoerabu]], [[Mageshima]] in the North-Eastern Group,
*** [[Takeshima, Kagoshima|Takeshima]], [[Iōjima, Kagoshima|Iojima]], [[Kuroshima, Kagoshima|Kuroshima]] in the North-Western Group.
** {{nihongo|[[Tokara Islands]]|吐噶喇列島|Tokara-rettō}}: [[Kuchinoshima]], [[Nakanoshima (Kagoshima)|Nakanoshima]], [[Gajajima]], [[Suwanosejima]], [[Akusekijima]], [[Tairajima]], [[Kodakarajima]], [[Takarajima]]
** {{nihongo|[[Amami Islands]]|奄美群島|Amami-guntō}}: [[Amami Ōshima]], [[Kikaijima]], [[Kakeromajima]], [[Yoroshima]], [[Ukeshima]], [[Tokunoshima]], [[Okinoerabujima]], [[Yoronjima]]
* {{nihongo|[[Ryukyu Islands]]|琉球諸島|Ryūkyū-shotō}}
** {{nihongo|[[Okinawa Islands]]|沖縄諸島|Okinawa-shotō}}: [[Okinawa Island]], [[Kumejima Island|Kume]], [[Iheya Island|Iheya]], [[Izena Island|Izena]], [[Aguni Island|Aguni]], [[Iejima|Ie (Iejima)]], [[Iwo Tori Shima]] (Iōtorishima) <ref>{{cite web|url=http://www.volcano.si.edu/world/volcano.cfm?vnum=0802-02= |title=Global Volcanism Program &#124; Iwo-Tori-shima &#124; Summary |publisher=Volcano.si.edu |date= |accessdate=2012-10-07}}</ref>
*** {{nihongo|[[Kerama Islands]]|慶良間諸島|Kerama-shotō}}: [[Tokashiki Island|Tokashiki]], [[Zamami Island|Zamami]], [[Aka Island|Aka]], [[Geruma Island|Geruma]]
** {{nihongo|[[Miyako Islands]]|宮古列島|Miyako-rettō}}: [[Miyakojima]], [[Ikemajima|Ikema]], [[Ōgami]], [[Irabujima|Irabu]], [[Shimoji]], [[Kurimajima|Kurima]], [[Minnajima (Tarama, Okinawa)|Minna]], [[Tarama, Okinawa|Tarama]]
** {{nihongo|[[Yaeyama Islands]]|八重山列島|Yaeyama-rettō}}: [[Iriomote]], [[Ishigaki Island|Ishigaki]], [[Taketomi]], [[Kohamajima|Kohama]], [[Kuroshima, Okinawa|Kuroshima]], [[Aragusuku]], [[Hatoma]], [[Yubujima]], [[Hateruma]], [[Yonaguni]]


==References==
==References==

Revision as of 04:56, 9 October 2012

The Ryukyu arc (琉球弧, Ryūkyū-ko) is a volcanic island arc system of Japan's triple junction formed by the subduction of the Phillipine plate beneath the Eurasian plate between Ryukyu Trench to the south-east and the Okinawa Trough to north-west.[1] It comprises the entirety of the Ryukyu Islands chain. The Ryukyu and Southwest Honshu arcs together form the southwest trending arm of the Boso Triple Junction.

References

  1. ^ "Nature in Okinawa" (PDF). 沖繩縣. Retrieved 2012-09-30.