Cuarteron Reef Cuarteron Reef is a rock located in the Spratly Islands. China first took possession of the feature in 1988. U.S. Board of Geographic Names: Cuarteron ReefChina: Huayang Jiao, 华阳礁Philippines: Calderon ReefTaiwan: Huayang Reef, 華陽礁Malaysia: Terumbu CalderonVietnam: Bãi Châu Viên Occupied by: ChinaLegal Status: RockGPS: 08° 51' 45" N, 112° 50' 15" ETotal area of reclamation: 56 acres Overview Images May 26, 2022 October 12, 2017 June 30, 2017 February 27, 2017 November 10, 2016 September 3, 2016 July 29, 2016 June 11, 2016 March 29, 2016 January 21, 2016 January 28, 2015 March 8, 2014 February 21, 2014 July 25, 2011 Detail Images January 24, 2016 January 24, 2016 January 24, 2016 January 24, 2016 January 24, 2016 January 24, 2016 Aerial Photography (Spring 2015) February 22, 2015 February 22, 2015 February 22, 2015 February 22, 2015 December 13, 2014 February 21, 2014 July 25, 2011 July 25, 2011 Dredging Images December 13, 2014 December 13, 2014 March 8, 2014 March 8, 2014 February 21, 2014 Analysis of Outpost Comparing Aerial and Satellite Images of China’s Spratly Outposts China’s New Spratly Island Defenses Another Piece of the Puzzle Judgment Day: The South China Sea Tribunal Issues Its Ruling