Seoul is concerned it may lose out if Tokyo claims a large portion of Block 7, an underexplored zone in the East China Sea that ... 50-year-old Korea-Japan Continental Shelf Agreement when it ...

Tensions have risen to dangerous levels between Japan and China over a small group of uninhabited islands in the East China Sea ... based on its extended continental shelf. This contested maritime ...

"As a continental state bordering the East Sea and a State ... to an extended continental shelf, or ECS, in the West Palawan Region” of the sea. China later rejected the Philippines move ...

China claims almost the entire South China Sea ... the Philippines’ east coast and not under dispute with China, as part of the Philippines’ extended continental shelf.