SWIR, D36 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.7490 |
11.7110 |
3981 |
2000-2001 plume and dredge only |
SWIR, D62 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2530 |
15.1030 |
3990 |
2000-2001 plume and dredge only |
Walsh |
active, inferred |
mid-ocean ridge |
Mid-Cayman Rise |
17.8333 |
-81.8333 |
4000 |
2009 plume only; 2013 plume only |
MAR, 4 02'S |
active, inferred |
mid-ocean ridge |
S MAR |
-4.0333 |
-12.2500 |
4000 |
2005 plume only |
CIR, 8-17 S, Segment 2 |
active, inferred |
mid-ocean ridge |
CIR |
-9.9000 |
66.7500 |
4000 |
2010 plume only |
Lucky B |
active, inferred |
mid-ocean ridge |
Lena Trough |
81.3610 |
-3.4400 |
4000 |
1999 dredging only |
SWIR, Plume 5 |
active, inferred |
mid-ocean ridge |
SWIR |
-27.9170 |
64.4500 |
4000 |
1997 plume only |
CIR, 8-17 S, Segment 5, 12.25 S |
active, inferred |
mid-ocean ridge |
CIR |
-12.2500 |
65.7000 |
4000 |
2010 plume only |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
SWIR, D54 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4370 |
13.3120 |
4029 |
2000-2001 plume and dredge only |
Neptune's Beard |
active, inferred |
mid-ocean ridge |
N MAR |
12.9100 |
-44.9000 |
4100 |
1984 plume only; 2000 TV survey did not confirm activity |
Aurora |
active, confirmed |
mid-ocean ridge |
Gakkel Ridge |
82.8833 |
-6.2500 |
4100 |
2001 shimmering water in camera tow and sulfide chimney in dredge |
SWIR, D82 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2080 |
15.5830 |
4100 |
2000-2001 plume only |
Mariana Trough, 14.5 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
14.4870 |
144.0940 |
4120 |
2015 plume only |
SWIR, D20 |
active, inferred |
mid-ocean ridge |
SWIR |
-53.0200 |
22.1880 |
4170 |
2000-2001 plume and dredge only |
Mariana Trough, 15.5 N |
active, confirmed |
back-arc spreading center |
Mariana Trough |
15.4080 |
144.5090 |
4196 |
2015 plume only, 2016 ROV did not confirm |
Ashadze-3 |
inactive |
mid-ocean ridge |
N MAR |
12.9860 |
-44.8610 |
4200 |
2005 plume and dredge only |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
Ashadze-1 |
active, confirmed |
mid-ocean ridge |
N MAR |
12.9733 |
-44.8633 |
4200 |
2003 TV profiling; 2007 ROV Victor 6000 |
Gakkel Ridge, Site 3 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
84.4333 |
2.1333 |
4300 |
2001 plume only |
Carlsberg Ridge, 1.67 S |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
-1.6768 |
67.7700 |
4500 |
NotProvided |
Owen transform fault |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
9.8333 |
57.9500 |
4500 |
NotProvided |
Ashadze-4 |
inactive |
mid-ocean ridge |
N MAR |
12.9700 |
-44.8500 |
4530 |
2007 ROV VICTOR 6000 did not find hydrothermal activity |
Loihi Seamount |
active, confirmed |
intra-plate volcano |
Central Pacific |
18.9500 |
-155.2500 |
4800 |
1985 bottom photography R/V Hakuho Maru; 1987 submersible Alvin |
Beebe |
active, confirmed |
mid-ocean ridge |
Mid-Cayman Rise |
18.5466 |
-81.7182 |
4957 |
2010 AUV Autosub6000 and HyBIS TVG; 2009 plume only |
Hawaiian Ridge |
inactive |
intra-plate volcano |
Central Pacific |
15.0000 |
-157.5000 |
5000 |
1987 or earlier |
SEIR |
inactive |
mid-ocean ridge |
SEIR |
-28.0614 |
74.1733 |
5000 |
NotProvided |
Parece Vela Ridge, Philippine Sea |
inactive |
back-arc spreading center |
Parece Vela Basin |
16.0000 |
139.1667 |
5000 |
NotProvided |
Hess Deep |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.2500 |
-101.5000 |
5100 |
NotProvided |
Vema Fracture Zone |
active, inferred |
other |
N MAR |
10.7100 |
-42.6800 |
5180 |
2015 plume only |