Latitude Longitude Depth Deployment Haymon Temp Observations 2.1061 -91.9427 1692 AL4608 null null Bivalve shell debris 2.1053 -91.9379 1674 AL4608 null 294 "Hydrothermal vent field including one narrow chimney ~4-5 m tall, and several others; crabs, dead tubeworms in vicinity" 2.1049 -91.9366 1671 AL4608 Iguanas null Active hydrothermal chimneys 2.1040 -91.9352 1659 AL4608 Iguanas 326 "Active hydrothermal chimneys including one large, vigorously venting one" 2.1039 -91.9266 1670 AL4611 null null Live bivalve field with clams and mussels 2.1042 -91.9256 1670 AL4611 null 304 Active hydrothermal chimneys 2.1039 -91.9219 1689 AL4611 null null Inactive hydrothermal chimney with sparse shell debris 2.1036 -91.9194 1679 CT13 null null Bivalve shell debris 2.1022 -91.9174 1671 AL4609 null null Inactive hydrothermal chimney 2.1019 -91.9167 1676 AL4609 null null Inactive hydrothermal chimney 2.1000 -91.9112 1680 AL4615 null null Bivalves 2.0995 -91.9052 1669 CT16 null null Inactive hydrothermal vent field with at least five chimneys 2.0992 -91.9044 1640 AL4609 Pinguino null Bivalve shell debris at top of inner graben bounding fault 2.1013 -91.9009 1698 AL4614 null null Inactive hydrothermal vent field (2 chimneys) at bottom of inner graben bounding fault 2.0983 -91.8999 1675 CT16 null null Bivalve shell debris mixed with sediment 2.0981 -91.8989 1652 CT16 null null Small inactive hydrothermal chimney 2.0985 -91.8981 1663 AL4614 null null Inactive hydrothermal chimney 2.0979 -91.8973 1651 CT16 null null Inactive hydrothermal chimney 2.0972 -91.8945 1680 CT16 null null Inactive hydrothermal chimney 2.0981 -91.8917 1688 AL4610 null null Bivalve shell debris in pockets between pillows 2.0974 -91.8904 1685 AL4610 null null Inactive hydrothermal chimney 2.0965 -91.8815 1710 AL4610 null null Inactive hydrothermal chimney 2.0959 -91.8753 1675 AL4612 null null Inactive chimney 2.0954 -91.8750 1682 AL4612 null null Inactive hydrothermal vent field with 2-3 (?) chimneys 2.0943 -91.8745 1655 AL4612 null null Inactive chimney