Luoghi in Caratteristiche Undersea che comincia con la lettera "ho"
Hockings Patches (secca)Hodges Knoll (collinetta),
Hodges Seamount (montagna marina),
Hodgkins Ridge (montagne marine),
Hodgkins Seamount (montagna marina),
Hodgkins Seamount Range (montagne marine),
Hodgkins Seamounts (montagne marine),
Hodgson Seamount (montagna marina),
Hodsons Rough (riva)Hoffmann Trough (canale),
Hofmann Trough (canale)Hog Mound (cumulo)Hohanu Seamount (montagna marina),
Hohnhaus Seamount (montagna marina),
Hohonu Seamount (montagna marina)Hoke Seamount (montagna marina),
Hokitika Canyon (canyon),
Hokkaido Rise (pendio),
Hokkaido Seamount (montagna marina),
Hokusei Ryūsei Seamount (montagna marina),
Hokuto Hill (collinetta),
Hokutō Knoll (collinetta)Holene (foro),
Holmen Grund (secca)Home Knoll (montagna marina),
Home Seamount (montagna marina),
Home Seamount (montagna marina)Hòn Sập (scogliera),
Hongshi Ansha (),
Honopu Canyon (canyon),
Honshu Seamount (montagna marina),
Honu Seamount (montagna marina)Hooikaika Seamount (montagna marina),
Hook Ridge (cresta),
Hoopers Canyon (canyon)Hope Seamount (montagna marina),
Hope Submarine Valley (valle),
Hope Valley (valle),
Hopen Bank (riva),
Hopen Ridge (riva),
Hopen Rise (riva),
Hopen-Björnöybanken (riva),
Hopkins Reef (scogliera),
Hopps Reef (scogliera)Horizon Deep (abisso),
Horizon Depth (abisso),
Horizon Guyot (altopiano),
Horizon Ridge (cresta),
Horizon Tablemount (altopiano),
Horn Dome (collina),
Horn Reef Outer Ground (riva),
Horn Reef South Ground (riva),
Horn Strath (valle),
Hornafjardardjúp (valle),
Hornafjarðardjúp (valle),
Hornsund Bank (riva),
Hornsund Strath (valle),
Hornsund Valley (valle),
Horseshoe Abyssal Plain (pianura),
Horseshoe Basin (bacino),
Horseshoe Plain (pianura),
Horseshoe Seamount Group (montagne marine),
Horseshoe Seamounts (montagne marine),
Horton Guyot (montagna marina)Hotokenoza Seamount (montagna marina),
Hotspur Bank (montagna marina),
Hotspur Seamount (montagna marina),
Hotu Ridge (montagne marine),
Hotu Seamount Chain (montagne marine)Houma Valley (valle),
Houston Basin (bacino),
Houteng Jiao (scogliera),
Houtman Canyon (canyon)Hovgaard Fracture Zone (zona di frattura),
Hovgaard Ridge (zona di frattura)Howard Shoal (scogliera),
Howe Basin (bacino),
Howe-Chesterfield Swell (pendio),
Howell Basin (bacino),
Howell Hook (cresta),
Howell Swell (pendio)Hoya de Venezuela (bacino),
Hoya de Yucatan (bacino),
Hoyles Canyon (canyon),
Hoyt Hills (colline)