Automatic Identification System (AIS) data suggests that a Philippine government vessel was again denied access to Second Thomas Shoal by the China Coast Guard (CCG) in late June, underscoring the vulnerability of the grounded BRP Sierra Madre, which serves as a Philippine outpost on the reef. The Philippines’ M/V DA BFAR, a 60-meter research vessel […] Continue Reading

West York Island, March 7, 2022
Photo:  West York Island, March 7, 2022

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.

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.

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