Marine Gazetteer Placedetails

Status Proposed standard Proposed standard
Language Name Name source
EnglishXiongnan SeamountIHO-IOC GEBCO Gazetteer of Undersea Feature Names   
PlaceType Seamount(s) 
Latitude 12° 7' 22.9" N (12.12303°)  
Longitude 116° 33' 3.3" E (116.55092°)  
Min. Lat 11° 57' 59.2" N (11.9664°)  
Min. Long 116° 24' 22.6" E (116.4063°)  
Max. Lat 12° 16' 42.5" N (12.2785°)  
Max. Long 116° 43' 1.1" E (116.717°)  
Source IHO-IOC GEBCO Gazetteer of Undersea Feature Names, available online at
Notes Additional information (en): This feature has an elongated shape. Minimum depth (m): 1184. Maximum depth (m): 3996. Total relief (m): 2812. Dimension/size: 42 km × 21 km.    
GEBCO: associated meeting, proposer and year of proposal (en): Associated meeting: SCUFN-34.3. Proposer: China Geological Survey. History: 2021.     
GEBCO: discoverer and year of discovery (en): Discoverer: Chinese research vessel "Haiyangdizhi Sihao". Year of discovery: 1999. History: Named from the nearby Xiongnan Island (Xiongnan Jiao in Chinese). This island is part of the Nansha Islands (Nansha Qundao in Chinese), to the North of which the feature is located.    
Part of  South China Sea (IHO Sea Area)  [view hierarchy]   
Edit history Last edited on 2023-07-26 16:22:28 by Lonneville Britt
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