Luoghi in Caratteristiche Undersea che comincia con la lettera "gr"
Grace Seamount (montagna marina),
Graf Wilczek Knoll (collinetta),
Graham Bank (secca),
Graham Island (secca),
Graham Seamount (montagna marina),
Graham Shoal (secca),
Graham’s Reef (secca),
Grainger Bank (scogliera),
Gramberg Guyot (altopiano),
Gramberg Seamount (montagna marina),
Grampian Trough (canale),
Gran Banco de Jagua (scogliera),
Gran Cocal Reef (scogliera),
Gran Cocal Shoal (scogliera),
Grand Banc (riva),
Grand Bank (riva),
Grand Banks (banche),
Grand Banks of Newfoundland (banche),
Grand Cess Canyon (canyon),
Grand Chenier Mound (cumulo),
Grand Cocal Bank (scogliera),
Grand Cocal Shoal (scogliera),
Grand Gosier Mound (cumulo),
Grand Manan Bank (banche),
Grand Manan Banks (banche),
Grand Manan Basin (bacino),
Grand Newfoundland Banks (banche),
Grand Rhône Canyon (canyon),
Granville Shoal (secca),
Grappler Bank (montagna marina),
Grappler Bank (riva),
Grappler Seamount (montagna marina),
Grattan Bank (montagna marina),
Grattan Seamount (montagna marina),
Graveyard (riva),
Gray Feather Bank (scogliera),
Grays Canyon (canyon)Great Abaco Canyon (canyon),
Great Bahama Bank (riva),
Great Bahama Canyon (canyon),
Great Bank of Newfoundland (banche),
Great Banks (banche),
Great Bight Abyssal Plain (pianura),
Great Chagos Bank (riva),
Great Charlette Bank (riva),
Great Danger Bank (scogliere),
Great Fisher Bank (riva),
Great Hellefiske Bank (riva),
Great Meteor Bank (altopiano),
Great Meteor Seamount (altopiano),
Great Meteor Tablemount (altopiano),
Great North (riva),
Great Pacific Basin (bacino),
Great Sole Bank (riva),
Great Trough (bacino),
Great Yang-tse Bank (riva),
Great Yangtze Bank (riva),
Greater Antilles Ridge (cresta),
Green Bank (riva),
Green Banks (riva),
Green Banks (riva),
Green Basin (bacino),
Green Canyon (canyon),
Green Knoll (collinetta),
Green Seamount (montagna marina),
Green Seamount (collinetta),
Greenland Abyssal Plain (pianura),
Greenland Basin (bacino),
Greenland Fracture Zone (zona di frattura),
Greenland Plain (pianura),
Greenland Trough (canale),
Greenland-Iceland Ridge (pendio),
Greenland-Iceland Rise (pendio),
Greenland-Spitzbergen Ridge (altopiano),
Greer Guyot (altopiano),
Gregg Seamount (montagna marina),
Greifeza-Sui (scogliera),
Grenada Basin (bacino),
Grenada Plain (pianura),
Grenada Trough (bacino),
Grenell Canyon (canyon),
Grenlandskaya Kotlovina (bacino),
Grenlandsko-Islandskiy Porog (pendio),
Grenlandsko-Kanadskiy Porog (soglia)Gridley Trough (canale),
Grieg Seamount (montagna marina),
Grijalva Ridge (cresta),
Grimaldi Seamounts (montagne marine),
Grindavíkur Strath (valle),
Grindavíkurdjúp (valle)Gröll Seamount (montagna marina),
Grosse Meteor Bank (altopiano),
Grosvenor Seamount (montagna marina)Grue Bank (riva)
Coordinate Geografiche