Chinese survey ship sails into Japan’s territorial waters

A Chinese Navy ship intruded into Japanese territorial waters near islands in Kagoshima Prefecture on the morning of Sept. 15, the Defense Ministry announced the same day.

e survey vessel entered the territorial waters south of Yakushima island at about 7:20 a.m. and le the territorial waters west of Kuchinoerabu Island at about 10:50 a.m., sailing toward the East China Sea, according to the ministry. is is the seventh intrusion into Japanese waters by Chinese Navy ships since July.

e Japanese government has conveyed its concerns over the incident to Beijing through diplomatic channels, Chief Cabinet Secretary Hirokazu Matsuno said at a press conference Sept. 15.

“We will continue to take all possible measures in our warning and surveillance operations,” he added.

e United Nations Convention on the Law of the Sea stipulates that ships of all countries have “the right of innocent passage through the territorial sea,” as long as it is “not prejudicial to the peace, good order or security” of the coastal state.

However, the convention also states that the carrying out of research or survey activities do not t the de nition of innocent passage.

e Sept. 15 incident is the fourth intrusion by a Chinese survey vessel into Japanese territorial waters in this area. Some within the Japanese government believe that the survey was conducted to investigate a navigation route for submarines. (Sept. 17)