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Coordinates: 30°0′N, 125°0′E

East China Sea
The East China Sea, showing surrounding regions, islands, and cities
Chinese name
Traditional Chinese:	東海 or 中國東海
Simplified Chinese:	东海 or 中国东海
Transliterations Mandarin - Hanyu Pinyin: Dōng Hǎi or Zhōngguó Dōng Hǎi
Japanese name
Kanji:	東シナ海 (東支那海)
Kana:	ひがしシナかい
Transliterations - Romaji: Higashi Shina Kai
Korean name
Hangul:	동중국해 or 남해
Hanja:	東中國海 or 南海
Transliterations - Revised   Romanization: Dong Jungguk Hae or Nam Hae - McCune-   Reischauer: Tong Jungguk Hae or Nam Hae

The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km². In China, the sea is called the East Sea. In South Korea, the sea is sometimes called "South Sea", but this is more often used to denote only the area near South Korea's southern coast.

Contents 1 Geography 1.1 Rivers 1.2 Islands and reefs 2 EEZ disputes 3 See also 4 External links

The East China Sea is bounded on the East by the Kyūshū and Ryukyu Islands, on the South by Taiwan, and on the West by mainland China. It is connected with the South China Sea by the Taiwan Strait and with the Sea of Japan by the Korea Strait; it opens in the North to the Yellow Sea.

Territories with borders on the sea (clockwise from north) include: South Korea, Japan, Taiwan, and Mainland China.

The Yangtze River (Chang Jiang) is the largest river flowing into the East China Sea.

• Tong Island

There is a cluster of submerged reefs in the northern East China Sea. These include:

• Socotra Rock, also called Suyan Rock or Ieodo, subject of an EEZ dispute between the People's Republic of China and South Korea.
• Hupijiao Rock (虎皮礁)
• Yajiao Rock (鸭礁)

There are disputes between the China, Japan, and South Korea over the extent of their respective exclusive economic zones.

The dispute between China and Japan concerns natural gas. The People's Republic of China (PRC) recently discovered that there exists an undersea natural gas field in the East China Sea, part of the field lies within the Chinese EEZ while the remaining lies on the disputed EEZ between Japan and the PRC.

Under the United Nation's Law of the Sea, PRC claims the disputed ocean territory as its own Exclusive Economic Zone (EEZ) due to its being part of PRC's natural extension of its continental shelf, while Japan claims the disputed ocean territory as its own EEZ because it is within 200 nautical miles (370 km) from Japan's coast.

China has set up the Chunxiao gas field in its own EEZ (located 4 km inside the Chinese side of the EEZ boundary claimed by Japan) to tap up the natural gas. Japan also seeks a share in the natural gas resource because part of the field lies within the disputed EEZ.

The dispute between China and South Korea concerns Socotra Rock, a submerged reef on which South Korea has constructed a scientific research station. While neither country claims the rock as territory, China has objected to Korean activities there as a breach of its EEZ rights.

• Geography of China
• Senkaku Islands (Diaoyu Islands in Chinese)
• South China Sea
• Xihu Trough

• Kosuke Takahashi. Gas and oil rivalry in the East China Sea Asia Times Online. July 27, 2004.
• Chinese submarine enters Japanese waters. Wikinews. November 18, 2004. Retrieved March 7, 2006.
• Oil and gas in troubled waters The Economist. October 6, 2005.
• J Sean Curtin. Stakes rise in Japan, China gas dispute Asia Times Online. October 19, 2005.
• Chinese Suyan Rock community

China Seas

Yellow Sea • East China Sea • South China Sea