Navidad |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
2.5300 |
-94.0750 |
2380 |
2005 towed video Medea |
Galapagos Rift, 94.4 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.5300 |
-94.3300 |
2400 |
2005 plume only |
MAR, 22 30'N |
inactive |
mid-ocean ridge |
N MAR |
22.5000 |
-45.0050 |
2800 |
NotProvided |
GEISEIR site 26, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.6901 |
92.8451 |
2500 |
2009 plume only |
N Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
35.2830 |
-34.8670 |
2600 |
1992 plume only |
MAR, 4 02'S |
active, inferred |
mid-ocean ridge |
S MAR |
-4.0333 |
-12.2500 |
4000 |
2005 plume only |
EPR, 1.4 S, off-axis |
active, confirmed |
mid-ocean ridge |
S EPR |
-1.3690 |
-102.4560 |
3000 |
2008 towed video |
GEISEIR site 15, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2230 |
86.3892 |
2500 |
2010 plume only |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
Gakkel Ridge, Site 3 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
84.4333 |
2.1333 |
4300 |
2001 plume only |
EPR, 29.5 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-29.5000 |
-111.7200 |
2580 |
1998 plume only |
Kairei Field |
active, confirmed |
mid-ocean ridge |
CIR |
-25.3195 |
70.0400 |
2460 |
2000 ROV Kaiko; 1993 plume only |
Stealth |
active, confirmed |
mid-ocean ridge |
S EPR |
-17.6167 |
-113.2330 |
2600 |
1996 Argo II towed video; 1993 plume only; 1998 submersible Alvin |
Axial Seamount, CASM |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
45.9892 |
-130.0272 |
1580 |
1983 submersible Pisces IV |
EPR, 9 17'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.2800 |
-104.2166 |
2585 |
1989 Argo I towed video |
GEISEIR site 37, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7483 |
98.1756 |
2800 |
2009 plume only |
Ashadze-1 |
active, confirmed |
mid-ocean ridge |
N MAR |
12.9733 |
-44.8633 |
4200 |
2003 TV profiling; 2007 ROV Victor 6000 |
EPR, 13 N |
active, confirmed |
mid-ocean ridge |
N EPR |
12.8333 |
-103.9500 |
2630 |
1982 submersible Cyana; 1981 towed camera, dredging, and plume did not confirm activity |
GEISEIR site 3, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7720 |
79.7530 |
2800 |
1996 plume only |
EPR, 17 53'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.8800 |
-113.3000 |
2610 |
1993 plume only |
EPR, 7 S |
active, inferred |
mid-ocean ridge |
S EPR |
-7.0000 |
-107.5500 |
2600 |
1985/86 or 1989 TV grab |
Menez Hom |
active, confirmed |
mid-ocean ridge |
N MAR |
37.1500 |
-32.4333 |
1802 |
2002 ROV Victor 6000 |
Lucky Strike |
active, confirmed |
mid-ocean ridge |
N MAR |
37.2933 |
-32.2733 |
1740 |
1993 submersible Alvin; 1992 dredge and plume only |
MAR, 30 S |
active, inferred |
mid-ocean ridge |
S MAR |
-29.9505 |
-13.8545 |
3379 |
2013 plume only |
EPR, Seamount 5 |
active, inferred |
mid-ocean ridge |
N EPR |
13.0000 |
-103.5000 |
1100 |
1988 or earlier camera and/or submersible (need to check reference) |
Green Seamount |
inactive |
mid-ocean ridge |
N EPR |
20.8033 |
-109.2833 |
2000 |
1982 submersible Alvin observed only inactive |
MAR, south of 15 20'N fracture zone |
active, inferred |
mid-ocean ridge |
N MAR |
15.0833 |
-45.0000 |
3000 |
1988 plume only; 1992 submersible Nautile did not observe active vents |
Source |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
46.1550 |
-129.8100 |
2055 |
1993 submersible Alvin |
SWIR, D82 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2080 |
15.5830 |
4100 |
2000-2001 plume only |
E Los Huellos Caldera |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
0.9500 |
-90.5300 |
1600 |
2005 plume only; 2005 towed video Medea did not confirm activity |