Cumacea distribution - Placedetails

MRGID	http://marineregions.org/mrgid/63483
Status	Proposed standard
Name	Language Name Name source English Nagaoka Ridge IHO-IOC GEBCO Gazetteer of Undersea Feature Names
PlaceType	Ridge(s)
Latitude	24° 2' 37.5" N (24.04375°)
Longitude	144° 16' 0.3" E (144.26675°)
Min. Lat	24° 0' 27" N (24.0075°)
Min. Long	144° 12' 48.6" E (144.2135°)
Max. Lat	24° 4' 48" N (24.08°)
Max. Long	144° 19' 12" E (144.32°)
Source	IHO-IOC GEBCO Gazetteer of Undersea Feature Names, available online at http://www.ngdc.noaa.gov/gazetteer/
Notes	Additional information (en): This feature has an elongated shape. Minimum depth (m): 2960. Maximum depth (m): 6496. Total relief (m): 3536. Dimension/size: 80 km x 20 km.
	GEBCO: associated meeting, proposer and year of proposal (en): Associated meeting: SCUFN-34. Proposer: Japanese Committee on Undersea Feature Names (JCUFN). History: 2020.
	GEBCO: discoverer and year of discovery (en): Discoverer: Japanese survey vessel "Takuyo". Year of discovery: 1987. History: Named after Dr. Shinji Nagaoka (????-2011), a Japanese geologist who mainly worked on tephra chronology ofthe Quaternary period. He also worked for the Hydrographic and Oceanographic Department of Japan, where he was involved in the surveyof Japan’s extended continental shelf.
	Previous coordinates (en): Lat: 24.07858; Long: 144.211; minLat: 23.76815; minLong: 143.91058; maxLat: 24.35642; maxLong: 144.4525 (update 2022-07-26)
	Previous coordinates (en): Lat: 24.12017; Long: 144.19361; minLat: 23.87689; minLong: 143.91071; maxLat: 24.35651; maxLong: 144.45251 (update 2026-09-29)
Relation	Part of   North Pacific Ocean (IHO Sea Area)   [view hierarchy]
Map
Edit history	Last edited on 2026-09-29 09:47:45 by Lonneville Britt
	[Google] [Google scholar] [Google images]