EPR, 11 24'N |
active, confirmed |
mid-ocean ridge |
N EPR |
11.4000 |
-103.7800 |
2580 |
1990 submersible Alvin; 1988 submersible Alvin dive #1994 (need reference to confirm activity) |
Walsh |
active, inferred |
mid-ocean ridge |
Mid-Cayman Rise |
17.8333 |
-81.8333 |
4000 |
2009 plume only; 2013 plume only |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
EPR, 8 53'N |
active, inferred |
mid-ocean ridge |
N EPR |
8.9000 |
-104.2000 |
2580 |
1991 plume only |
Jade Emperor Mountain |
inactive |
mid-ocean ridge |
SWIR |
-37.9400 |
49.2600 |
1500 |
2010 video sled, plume survey, and geological sampling all suggest inactive |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
Galapagos Mounds |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
1.4500 |
-86.1665 |
2700 |
1977 submersible Alvin |
Axial Seamount, ASHES |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
45.9333 |
-130.0140 |
1540 |
1984 submersible Alvin |
Mount Jourdanne |
inactive |
mid-ocean ridge |
SWIR |
-27.8500 |
63.9333 |
2940 |
1998 submersible Shinkai 6500 |
Romanche Fracture Zone |
inactive |
mid-ocean ridge |
S MAR |
-0.9767 |
-24.5133 |
3100 |
NotProvided |
Magic Mountain, 3-km south |
active, inferred |
mid-ocean ridge |
Explorer Ridge |
49.7250 |
-130.2667 |
1850 |
2002 AUV ABE plume only |
EPR, 29.5 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-29.5000 |
-111.7200 |
2580 |
1998 plume only |
Explorer Deep |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.1000 |
-129.7500 |
3200 |
1969, deposits only |
EPR, 15 24'S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.4000 |
-112.8350 |
2640 |
1993 plume only |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |
Carlsberg Ridge, 1.67 S |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
-1.6768 |
67.7700 |
4500 |
NotProvided |
EPR, Ridge 3, 20 40'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-20.3333 |
-113.6792 |
3050 |
1983 Deep Tow camera |
Kairei Field |
active, confirmed |
mid-ocean ridge |
CIR |
-25.3195 |
70.0400 |
2460 |
2000 ROV Kaiko; 1993 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 |
SEIR |
inactive |
mid-ocean ridge |
SEIR |
-28.0614 |
74.1733 |
5000 |
NotProvided |
SEIR-WXC12 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
136.2500 |
2780 |
2015 plume only |
Broken Spur |
active, confirmed |
mid-ocean ridge |
N MAR |
29.1700 |
-43.1717 |
3100 |
1993 submersible Alvin; earlier in 1993, water column anomalies and towed camera did not confirm activity |
Saguaro Field |
active, confirmed |
mid-ocean ridge |
S EPR |
-31.8500 |
-112.0333 |
2330 |
1999 submersible Alvin; 1998 plume only |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
MAR, 43 N |
active, inferred |
mid-ocean ridge |
N MAR |
43.0000 |
-29.0000 |
3400 |
1986 or earlier plume 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 |
Aden New Century Mountains |
active, inferred |
mid-ocean ridge |
Aden Ridge |
12.0833 |
45.6667 |
800 |
2000-2001 plume only |
GEISEIR site 20, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9508 |
87.8008 |
2400 |
2010 plume only |
EPR, 17 53'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.8800 |
-113.3000 |
2610 |
1993 plume only |
CIR, Segment 3, Hydrothermal Plume Site |
active, inferred |
mid-ocean ridge |
CIR |
-24.0000 |
69.6667 |
2840 |
1987 plume only; 2005/2006 plume only |