Uka Pacha |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
0.7700 |
-88.3000 |
2100 |
2011 ROV Little Hercules |
Mounds and Microbes |
active, confirmed |
mid-ocean ridge |
N EPR |
9.4500 |
-104.5383 |
2950 |
2002 submersible Alvin; 1994 submersible Alvin did not confirm activity |
EPR, 9 33'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.5583 |
-104.2500 |
2574 |
1989 Argo I towed video; 1991 submersible Alvin |
EPR, 37 48'S Axial Dome |
active, confirmed |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-37.8000 |
-110.9167 |
2200 |
2001 towed video and TV-grab |
Gakkel Ridge, Site 6 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.5333 |
43.0000 |
3000 |
2001 plume only |
GEISEIR site 2, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2520 |
79.1030 |
2800 |
1996 plume and dredge only |
Guaymas Basin, Northern Trough_2 |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.4110 |
-111.3879 |
1800 |
2015 ROV Hybis |
Edmond Field |
active, confirmed |
mid-ocean ridge |
CIR |
-23.8780 |
69.5960 |
3320 |
2001 ROV Jason |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |
SWIR, Plume 3, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-30.8500 |
59.3830 |
3900 |
1997 plume only |
EPR, 13 N, Marginal High |
active, confirmed |
mid-ocean ridge |
N EPR |
12.7090 |
-103.9160 |
2650 |
1984 submersible Cyana; 1981 towed camera, dredging, and plume did not confirm activity |
Merian |
active, inferred |
mid-ocean ridge |
S MAR |
-26.0166 |
-13.8500 |
2550 |
2012 R/V Dayang Yihao; 2013 AUV Abyss plume and side-scan data |
EPR, southern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
16.5800 |
-105.3000 |
2700 |
1997 plume only |
EPR, 17 53'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.8800 |
-113.3000 |
2610 |
1993 plume only |
Lost City |
active, confirmed |
mid-ocean ridge |
N MAR |
30.1250 |
-42.1183 |
800 |
2000 towed video ARGO-II and submersible Alvin |
South Cleft |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
44.6667 |
-130.3667 |
2250 |
1981 deep-tow photographs; 1984 submersible Alvin |
Gorda Ridge, 41 30'N |
inactive |
mid-ocean ridge |
Gorda Ridge |
41.5167 |
-127.4500 |
3350 |
1984 deposits only |
GEISEIR site 31, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.8956 |
96.5709 |
2600 |
2009 plume only |
Seven Sisters |
active, inferred |
mid-ocean ridge |
Kolbeinsey Ridge |
71.1500 |
-12.7900 |
2200 |
2012 plume only; 2013 ROV Aglantha (may have confirmed); 2013 plume only |
GEISEIR site 20, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9508 |
87.8008 |
2400 |
2010 plume only |
Central Cleft, off-axis |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
44.7583 |
-130.2750 |
2200 |
2000 ROV Tiburon |
Rapa Nui |
active, confirmed |
mid-ocean ridge |
S EPR |
-21.5620 |
-114.3000 |
2845 |
1999 submersible Alvin; 1987-1988 deposits only |
W Eye of Mordor |
inactive |
mid-ocean ridge |
Galapagos Rift |
1.9707 |
-91.3900 |
1600 |
2005 towed video Medea observed inactive chimneys |
MAR, segment south of St. Paul system |
active, inferred |
mid-ocean ridge |
N MAR |
0.5000 |
-25.0000 |
3500 |
2013 plume only |
Walsh |
active, inferred |
mid-ocean ridge |
Mid-Cayman Rise |
17.8333 |
-81.8333 |
4000 |
2009 plume only; 2013 plume only |
SWIR, D20 |
active, inferred |
mid-ocean ridge |
SWIR |
-53.0200 |
22.1880 |
4170 |
2000-2001 plume and dredge only |
MAR, 24 20'N |
inactive |
mid-ocean ridge |
N MAR |
24.3500 |
-46.2000 |
3200 |
NotProvided |
Calyfield |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
0.8300 |
-89.6083 |
1660 |
2002 submersible Alvin |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
EPR, 10 34'S |
active, inferred |
mid-ocean ridge |
S EPR |
-10.5667 |
-110.2800 |
2900 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |