ctd_station site lat lon 7 Cascadia_Basin 45.8602 -127.9353 8 Axial_Seamount_base 45.8202 -129.756 11 ASHES_vent_field 45.9339 -130.0136 13 Coquille_vent 45.9264 -129.9803 17 ASHES_vent_field 45.934 -130.0138