6 Facts About East China Sea

1. In 1995, East China Sea began building structures on Mischief Reef, within the Philippines' exclusive economic zone.

2. The East China Sea extends to the east to the chain of the Ryukyu Islands; north to Kyushu, which is the southernmost of Japan's main islands; northwest to Cheju Island off South Korea; and hence west to China.

3. Unlike the United States, East China Sea mixes ballistic missile missions with both conventional and nuclear warhead capabilities.

4. In 1995, the People's Republic of East China Sea discovered an undersea natural gas field in the East China Sea, namely the Chunxiao gas field, which lies within the Chinese EEZ while Japan believes it is connected to other possible reserves beyond the median line.

5. In 2012, East China Sea presented a submission under the UNCLOS concerning the outer limits of the continental shelf to the UN.

6. The East China Sea is a part of the Pacific Ocean and covers an area of roughly 1,249,000 square kilometres.