EPR, 8 53'N |
active, inferred |
mid-ocean ridge |
N EPR |
8.9000 |
-104.2000 |
2580 |
1991 plume only |
MAR, 16 46'N |
inactive |
mid-ocean ridge |
N MAR |
16.7950 |
-46.3800 |
3300 |
NotProvided |
Galapagos Mounds |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
1.4500 |
-86.1665 |
2700 |
1977 submersible Alvin |
MAR, segment south of St. Paul system |
active, inferred |
mid-ocean ridge |
N MAR |
0.5000 |
-25.0000 |
3500 |
2013 plume only |
Ashadze-1 |
active, confirmed |
mid-ocean ridge |
N MAR |
12.9733 |
-44.8633 |
4200 |
2003 TV profiling; 2007 ROV Victor 6000 |
GEISEIR site 31, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.8956 |
96.5709 |
2600 |
2009 plume only |
Magic Mountain, 3-km south |
active, inferred |
mid-ocean ridge |
Explorer Ridge |
49.7250 |
-130.2667 |
1850 |
2002 AUV ABE plume only |
EPR, 10 02'N |
active, confirmed |
mid-ocean ridge |
N EPR |
10.0330 |
-104.3300 |
2560 |
1992 submersible Alvin |
Snake Pit |
active, confirmed |
mid-ocean ridge |
N MAR |
23.3683 |
-44.9500 |
3500 |
1985 real-time TV and imaging sonar; earlier in 1985 seafloor photographs did not confirm activity |
EPR, 11 30'N |
active, inferred |
mid-ocean ridge |
N EPR |
11.4833 |
-103.7833 |
2422 |
1981 towed camera and plume did not confirm activity; 1988 submersible Alvin dive #1996 (need reference to confirm activity) |
EPR, 17 12'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-17.2000 |
-113.1500 |
2590 |
1993 submersible Nautile |
EPR, Ridge 3, 20 40'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-20.3333 |
-113.6792 |
3050 |
1983 Deep Tow camera |
MAR, 8 10'S |
active, inferred |
mid-ocean ridge |
S MAR |
-8.1670 |
-13.4670 |
2000 |
2001 plume only |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
CIR, 8-17 S, Segment 4, 10.9 S |
active, inferred |
mid-ocean ridge |
CIR |
-10.9000 |
66.7000 |
3500 |
2010 plume only |
CIR, 8-17 S, Segment 4, 11.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.3000 |
66.4000 |
3500 |
2010 plume only |
Carlsberg Ridge, 1.67 S |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
-1.6768 |
67.7700 |
4500 |
NotProvided |
Explorer Deep |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.1000 |
-129.7500 |
3200 |
1969, deposits only |
Carlsberg Ridge, 63 40'E |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
3.7000 |
63.6666 |
3500 |
2007 plume only |
EPR, 15 S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.0000 |
-112.7700 |
2640 |
1985/86 or 1989 TV grab (need to check references to confirm activity); 1993 plume only |
EPR, 18 32'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-18.5550 |
-113.4160 |
2647 |
1993 submersible Nautile |
GEISEIR site 9, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9633 |
82.0600 |
2700 |
2010 plume only |
SWIR, D36 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.7490 |
11.7110 |
3981 |
2000-2001 plume and dredge only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
Medusa |
active, confirmed |
mid-ocean ridge |
N EPR |
9.1404 |
-104.2065 |
2580 |
2007 ROV Jason II; 1991 plume only |
Pacific-Antarctic Ridge, 60 S segment |
active, inferred |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-60.0000 |
-152.0000 |
2300 |
2009 plume only |
Nereus Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
23.1670 |
37.2830 |
2400 |
1972 deposits 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 |
GEISEIR site 32, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.1196 |
96.8947 |
2600 |
2009 plume only |
Main Endeavour Field |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
47.9487 |
-129.0981 |
2220 |
1984 submersible Alvin; 1982 dredge only |