History
The shoal is one of three named after Thomas Gilbert (sea captain), Thomas Gilbert, captain of the : *First Thomas Shoal – (South of Second Thomas Shoal)NGA Chart 93046Geographical location
Located south-east of Mischief Reef (), Second Thomas Shoal is near the centre of Dangerous Ground (South China Sea), Dangerous Ground in the north-eastern part of the Spratly Islands; there are no settlements north or east of it. It is a tear-drop shaped atoll, long north–south and fringed with coral reefs. The coral rim surrounds a lagoon which has depths of up to and is accessible to small boats from the East. Drying patches are found east and west of the reef rim.Geographical features
On 12 July 2016, the tribunal of the Permanent Court of Arbitration concluded that Second Thomas Shoal is, or in its natural condition was, exposed at low tide and submerged at high tide and, accordingly, has low-tide elevations that do not generate an entitlement to a territorial sea, exclusive economic zone or continental shelf. p.174Territorial claims
Second Thomas Shoal is claimed by the Philippines and China. The Philippine navy maintains a presence of less than a dozen navy personnel on the long Second World War US-built Philippine Navy landing craft BRP Sierra Madre, BRP ''Sierre Madre'' (LT-57), which was deliberately run aground at the shoal in 1999 in response to the Chinese reclamation of Mischief Reef. The Philippines claims that the shoal is part of its Territorial waters#Continental shelf, continental shelf, while parts of the Spratly group of islands, where Second Thomas Shoal lies, are Spratly Islands dispute, claimed by China, Brunei, the Philippines, Malaysia and Vietnam. In 2014, the Chinese government asked the Philippines to remove the grounded ship. Philippine supply ships subsequently avoided Chinese blockades in order to deliver food, water and other supplies to the garrison. PRC coast guard vessels blocked two attempts by Philippine ships to resupply the garrison on March 9, 2014. Supplies were airdropped to the garrison three days later. A supply ship with replacement troops successfully reached the shoal on March 29, 2014 by sailing through shallow waters where the PRC vessels (with deeper Draft (hull), drafts) were unable to follow. During the approach, Philippine crew members and troops on the resupply ship waved the V sign, peace sign at the pursuing Chinese coast guard crew. Since then, the Philippine military has been sending monthly relief missions in the form of air dropped provisions to the troops stationed here. In November 2021, Chinese Coast Guard vessels used water cannons and blocked two Philippine supply boats, preventing the boats from delivering essential supplies to the Philippine marine forces stationed on the BRP Sierra Madre.Alternate names
The Singapore National University Gazetteer (Number 75967), and the US NGA Gazetteer list the following as other names for the Second Thomas Shoal: * Mandarin Chinese - Ren'ai Jiao * Other Chinese names - Jen-ai An-sha, Jen-ai Chiao, Jên-ai Chiao, Ren'ai Ansha, 仁愛暗沙, 仁爱礁, 断节 * Vietnamese language, Vietnamese - Bãi Cỏ Mây * Filipino language, Filipino - Ayungin * French language, French - Banc Thomas Deuxième * Other English names - Thomas Shoal Second * Other names - DuanjieReferences
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