First Thomas Shoal

First Thomas Shoal, also known as Bulig Shoal in the Philippines, Bãi Suối Ngà in Vietnam, and 信义礁 in China, is an uninhabited reef/atoll located south of Second Thomas Shoal in the Spratly Islands of the South China Sea.

The shoal is one of three named after Thomas Gilbert, captain of the : First Thomas Shoal , South of the Second Thomas Shoal.NGA Chart 93046 - SE Dangerous Ground Second Thomas Shoal , South East of Mischief Reef.Third Thomas Shoal , North East of Flat Island - some distance North of the Second Thomas Shoal.NGA Chart 93045 - NE Dangerous Ground

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