Marine Gazetteer Placedetails

Status Proposed standard Proposed standard
Language Name Name source
EnglishRaicho Fracture ZoneIHO-IOC GEBCO Gazetteer of Undersea Feature Names   
PlaceType Fracture Zone 
Latitude 20° 37' 52.7" N (20.63129962°)  
Longitude 139° 32' 20.6" E (139.53904189°)  
Min. Lat 19° 19' 1.2" N (19.317°)  
Min. Long 138° 25' 58.8" E (138.433°)  
Max. Lat 22° 9' 0" N (22.15°)  
Max. Long 140° 19' 58.8" E (140.333°)  
Source IHO-IOC GEBCO Gazetteer of Undersea Feature Names, available online at
Notes GEBCO: associated meeting, proposer and year of proposal (en): Associated meeting: SCUFN-24. Proposer: Japanese Committee on Undersea Feature Names (JCUFN). Year of proposal: 2011.    
GEBCO: discoverer and year of discovery (en): Discoverer: Japanese survey vessels "Takuyo" and "Shoyo". Year of discovery: 1993. History: Raicho is the Japanese term for "snow grouse" (Ptarmigan). A bird is relevant to the name of the nearby Oki-no-Tori Shima Island, Japan, which includes a "bird" ("    
Additional information (en): Various surveys were conducted by Japanese survey vessels "Takuyo" and "Shoyo" from October 1993 to December 2005. Minimum depth (m): 4000. Maximum depth (m): 6200. Total relief (m): 2200. Dimension: 370 km long.    
Part of  Philippine Sea (IHO Sea Area)  [view hierarchy]   
Part of  Japanese Exclusive Economic Zone (EEZ)  [view hierarchy]   
Edit history Last edited on 2016-04-23 15:22:42 by Oset Garcia Paula
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