SWIR, D54 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4370 |
13.3120 |
4029 |
2000-2001 plume and dredge only |
Edison Seamount |
active, inferred |
arc volcano |
Tabar-Feni Arc |
-3.3100 |
152.5800 |
1450 |
1994 and 1998 TV grab sampling did not confirm hydrothermal activity |
MAR, 11 26'N |
active, inferred |
mid-ocean ridge |
N MAR |
11.4482 |
-43.7035 |
3835 |
2009 plume only |
CIR, 8-17 S, Segment 1 |
active, inferred |
mid-ocean ridge |
CIR |
-8.2500 |
68.2000 |
3600 |
2010 plume only |
GEISEIR site 6, segment K2 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.6600 |
81.6617 |
2600 |
2007 plume only; 2010 plume only |
Secca del Capo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6333 |
14.8500 |
240 |
1995 ROV Comex deposits only; 2007 plume only |
western Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.0000 |
147.0000 |
1800 |
NotProvided |
Galapagos Rift, 85 50'W |
inactive |
mid-ocean ridge |
Galapagos Rift |
0.7500 |
-85.8333 |
2600 |
1988 or earlier submersible observations |
central Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.4199 |
150.1681 |
2500 |
NotProvided |
Hess Deep |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.2500 |
-101.5000 |
5100 |
NotProvided |
MAR, 22 30'N |
inactive |
mid-ocean ridge |
N MAR |
22.5000 |
-45.0050 |
2800 |
NotProvided |
Pere Lachaise |
inactive |
back-arc spreading center |
North Fiji Basin |
-16.9667 |
173.9333 |
2000 |
1989 submersible Nautile did not find activity; 1991 submersible Shinkai 6500 did not find activity |
MAR, 23 35'N |
inactive |
mid-ocean ridge |
N MAR |
23.5833 |
-45.0000 |
3500 |
1980 submersible Alvin did not observe hydrothermal activity |
MAR, 12 48'N |
inactive |
mid-ocean ridge |
N MAR |
12.8000 |
-44.7883 |
2400 |
NotProvided |
Conical Seamount |
inactive |
arc volcano |
Tabar-Feni Arc |
-3.2500 |
152.6600 |
1050 |
1998 TV grab survey determined inactive |
Nishi-Shichito Ridge |
inactive |
arc volcano |
Izu-Bonin Arc |
31.3667 |
138.7500 |
1600 |
NotProvided |
EPR, 14 N seamount |
inactive |
mid-ocean ridge |
N EPR |
14.1500 |
-104.3667 |
2600 |
NotProvided |
Philippine Ridge, West Philippine Basin |
inactive |
back-arc spreading center |
West Philippine Basin |
12.0000 |
131.4170 |
5800 |
NotProvided |
MESO Zone |
inactive |
mid-ocean ridge |
CIR |
-23.3927 |
69.2422 |
2850 |
1993 TV grab and water column measurements |
Green Seamount |
inactive |
mid-ocean ridge |
N EPR |
20.8033 |
-109.2833 |
2000 |
1982 submersible Alvin observed only inactive |
DSDP Hole 504B |
inactive |
mid-ocean ridge |
Galapagos Rift |
1.2267 |
-83.7300 |
3500 |
NotProvided |
Owen transform fault |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
9.8333 |
57.9500 |
4500 |
NotProvided |
MAR, 24 20'N |
inactive |
mid-ocean ridge |
N MAR |
24.3500 |
-46.2000 |
3200 |
NotProvided |
Petersburgskoe |
inactive |
mid-ocean ridge |
N MAR |
19.8666 |
-45.8666 |
3100 |
2010 dredging only |
MAR, 24 30'N |
inactive |
mid-ocean ridge |
N MAR |
24.5000 |
-46.1533 |
3900 |
1987 deposits only |
Ashadze-3 |
inactive |
mid-ocean ridge |
N MAR |
12.9860 |
-44.8610 |
4200 |
2005 plume and dredge only |
Explorer Deep |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.1000 |
-129.7500 |
3200 |
1969, deposits only |
Galapagos Rift, 95 W |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.5000 |
-95.1667 |
2600 |
NotProvided |
E Eye of Mordor |
inactive |
mid-ocean ridge |
Galapagos Rift |
1.9058 |
-91.2310 |
1600 |
2005 towed video Medea found inactive chimneys |
Jade Emperor Mountain |
inactive |
mid-ocean ridge |
SWIR |
-37.9400 |
49.2600 |
1500 |
2010 video sled, plume survey, and geological sampling all suggest inactive |