In late February 2025, South Korean research vessel Onnuri made its way to the Provisional Measures Zone (PMZ) shared between South Korea and China. The vessel was deployed to survey one of three Chinese steel structures that were installed in the PMZ without prior notice to South Korea. The vessel’s journey was unsuccessful, as the Chinese coast […] Continue Reading
Island Tracker
Five claimants occupy nearly 70 disputed reefs and islets spread across the South China Sea. They have built more than 90 outposts on these contested features, many of which have seen expansion in recent years.
Explore the database by selecting a claimant below.
Maps of the Asia Pacific
AMTI’s interactive maps strive to provide the most complete, accurate, and up-to-date source of geospatial information on maritime Asia.
Featured In
