Luoghi in Caratteristiche Undersea che comincia con la lettera "j"
J-Anomaly Ridge (cresta)J. Tuzo Wilson Knolls (montagne marine)Jabiru Shoals (secche),
Jackman Canyon (canyon),
Jacksonville Canyon (canyon),
Jacksonville Knoll (collinetta),
Jacksonville Valley (valle),
Jacqueline Guyot (altopiano),
Jacques Swell (pendio),
Jadul Ridge (cresta),
Jaegyu Knoll (collinetta),
Jaggar Seamount (montagna marina),
Jagua Bank (scogliera),
Jaguar Seamount (montagna marina),
Jagüey Escarpment (scarpata),
Jagüey Spur (sperone),
Jaime Knoll (collinetta),
Jaime Seamount (collinetta),
Jakkula Bank (riva),
Jama Valley (valle),
Jamaican Plain (pianura),
James Basin (bacino),
James Canyon (canyon),
James King Seamount (montagna marina),
James Knoll (collinetta),
James Patch (scogliera),
Jan Mayen Cross Rise (cresta),
Jan Mayen Fracture Zone (zona di frattura),
Jan Mayen Ridge (cresta),
Jane Seamount (montagna marina),
Janga Canyon (canyon),
Janthe Shoal (scogliere),
Japan Abyssal Plain (pianura),
Japan Basin (bacino),
Japan Deep (bacino),
Japan Plain (pianura),
Japan Sea Basin (bacino),
Japan Trench (fossa),
Japanese Guyots (altipiano),
Jaqua Seaknoll (scogliera),
Jaques Swell (pendio),
Jaseur Bank (montagna marina),
Jaseur Seamount (montagna marina),
Jason Seamount (montagna marina),
Jasper Seamount (montagna marina),
Java Deep (fossa),
Java Reef (scogliera),
Java Ridge (cresta),
Java Trench (fossa),
Java Trog (fossa),
Java Trough (fossa)Jeanerette Hill (collina),
Jefferson Basin (bacino),
Jefferson Davis Mound (cumulo),
Jefferys Basin (bacino),
Jeffrey Bank (riva),
Jeffreys Bank (riva),
Jeffreys Basin (bacino),
Jeffreys Ledge (cresta),
Jeffries Bank (riva),
Jeffries Ledge (cresta),
Jehangire Bank (scogliere),
Jehangire Reefs (scogliere),
Jen-ai An-sha (scogliera),
Jên-ai Chiao (scogliera),
Jen-chun T’an (scogliera),
Jenkins Canyon (canyon),
Jenkins Seamount (montagna marina),
Jennings Guyot (altopiano),
Jeonjaegyu Knoll (collinetta),
Jermak Plateau (altopiano),
Jessie Beagley Reef (scogliera),
Jessie Beasley Reef (scogliera),
Jessie Beazley Reef (scogliera)Jih-chi Chiao (scogliera),
Jimeng Ansha (scogliera),
Jimmu Guyot (altopiano),
Jimmu Seamount (altopiano),
Jindun Ansha (scogliera),
Jingū Basin (bacino),
Jingū Guyot (altopiano),
Jingū Seamount (altopiano),
Jinmu Seamount (altopiano)Joban Seamount Chain (montagne marine),
Joe Ferguson Seamount (montagna marina),
Jogashima Canyon (canyon),
John Harrison Ridge (cresta),
Johnson Basin (bacino),
Johnson Patch (scogliera),
Johnston Bank (riva),
Johnston Seamount Group (montagne marine),
Johnston Seamounts (montagne marine),
Johnston-Wake Ridge (montagne marine),
JOIDES Basin (bacino),
Jökul Strath (valle),
Jökuldjúp (valle),
Jones Bank (riva),
Jones Canyon (canyon),
Jones Seamount (montagna marina),
Jones Seamount (montagna marina),
Jones Valley (canyon)> jō
Jōō Seamount (montagna marina)Jordan Basin (bacino),
Jordan Knoll (collinetta),
Joseph Gilbert Seamount (montagna marina),
Josephine Bank (montagna marina),
Josephine Banks (montagna marina),
Josephine Seamount (montagna marina),
Jovellanos Seamount (montagna marina)Juan de Fuca Canyon (canyon),
Juan de Fuca Fracture Zone (zona di frattura),
Juan de Fuca Ridge (cresta),
Juan de Fuca Rise (cresta),
Juan de Fuca Submarine Canyon (canyon),
Jubilee Bank (montagna marina),
Jubilee Bank (riva),
Jubilee Seamount (montagna marina),
Judge Seamount (montagna marina),
Jukes Canyon (canyon),
Julia Bank (secca),
Julia Island (secca),
Julia Shoal (scogliera),
Julianehaab Seavalley (valle),
Julianehaab Valley (valle),
Julianehåb Valley (valle),
Juniata Bank (),
Junieh Canyon (canyon),
Junov Seamount (montagna marina),
Junsei Seamount (montagna marina),
Justus Seamount (montagna marina),
Jutland Bank (riva)Jyllands Banke (riva)