"YAGHAN Basin","56 00'S - 61 30'W","5.16","200","* (June 1987)"
"______________________","____________________","________","__________","____________________________"
"YAKUTAT Valley","59 30'N - 140 00'W"," ","50-810","*"
"______________________","____________________","________","__________","____________________________"
"YAMATO Basin","38 10'N - 135 00'E","5.06","511","*"
" ","to"," "," "," "
" ","39 45'N - 138 00'E"," "," "," "
"______________________","____________________","________","__________","____________________________"
"YAMATO Bank","39 00'N - 134 00'E","5.06","511","* and GEBCO = Ridge"
" ","to"," "," "," "
" ","39 35'N - 135 55'E"," "," ","INT 511 = Tai or Bank"
"______________________","____________________","________","__________","____________________________"
"YAMATO Rise","39 00'N - 133 40'E"," ","511","* Feature to be checked."
" ","to"," "," ","Does not appear to be"
" ","40 30'N - 137 00'E"," "," ","a "Rise" "
"______________________","____________________","________","__________","____________________________"
"YAMATO Seamount","38 53'N - 135 59'E"," ","511","* (October 1986)"
"______________________","____________________","________","__________","____________________________"
"YAP Trench","8 30'N - 138 00'E","5.06","507","*"
"______________________","____________________","________","__________","____________________________"
"YAQUINA Trough","3 00'N - 80 00'W","5.07"," ","*"
"______________________","____________________","________","__________","____________________________"
"YELCHO Canyon","66 40'S - 48 00'W","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"YERMAK Plateau","81 15'N - 5 00'E","5.17"," ","GEBCO-SCGN/7"
"______________________","____________________","________","__________","____________________________"
"YUCATAN Basin","20 00'N - 85 00'W","5.08","12-13","*"
" "," "," ","400-401"," "
"","","","402",""
"______________________","____________________","________","__________","____________________________"
"YUNASKA Canyon","53 15'N - 170 50'W"," ","813","*"
"______________________","____________________","________","__________","____________________________"
"YUPANQUI Basin","20 00'S - 102 00'W","5.11"," ","*"
"______________________","____________________","________","__________","____________________________"
"YURYAKU Seamount","32 45'N - 171 50'E"," ","53","*"
"______________________","____________________","________","__________","____________________________"
"YVES ROCARD Seamount","17 39'S - 148 35'W","5.11"," ","GEBCO-SCGN/1988"
"______________________","____________________","________","__________","____________________________"