Logatchev-5 |
inactive |
mid-ocean ridge |
N MAR |
14.7500 |
-44.9700 |
3100 |
2007 ROV VICTOR 6000 did not find hydrothermal activity |
GEISEIR site 13, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0125 |
86.0608 |
2800 |
2010 plume only |
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 |
Luso |
active, confirmed |
mid-ocean ridge |
N MAR |
38.9833 |
-29.8833 |
570 |
2018 ROV Luso |
Chile Triple Junction, 10 km north |
active, inferred |
mid-ocean ridge |
Chile Rise |
-46.2000 |
-75.8333 |
3000 |
2010 plume only |
Puy des Folles |
active, inferred |
mid-ocean ridge |
N MAR |
20.5083 |
-45.6417 |
2000 |
1996 submersible Nautile observed only inactive vents |
Axial Seamount, CASM |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
45.9892 |
-130.0272 |
1580 |
1983 submersible Pisces IV |
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 |
GEISEIR site 24, segment M3 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.0369 |
91.0357 |
2400 |
2009 plume only |
Su Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-38.1000 |
48.6000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
Knipovich Ridge, 77 40'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
77.6300 |
7.5800 |
3000 |
2000 plume only |
Guaymas Basin, Southern Trough |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.0148 |
-111.4109 |
2000 |
1982 submersible Alvin; 1980 DeepTow CTD and dredging |
Aegir |
active, confirmed |
mid-ocean ridge |
Mohns Ridge |
72.3440 |
1.5550 |
2600 |
2015 ROV Ægir 6000; 2013 plume only; 2015 AUV |
AAR KR2 |
active, inferred |
mid-ocean ridge |
SEIR |
-60.0000 |
152.5000 |
3200 |
2011 plume only |
EPR, 27.9 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-27.8670 |
-112.9120 |
2180 |
1998 plume only |
Floc |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
46.3133 |
-129.7050 |
2290 |
1993 DEEPTOW and submersible Alvin |
Nolan's Nook |
active, confirmed |
mid-ocean ridge |
S EPR |
-31.1500 |
-111.9167 |
2330 |
1999 submersible Alvin; 1998 plume only |
Dodo Field |
active, confirmed |
mid-ocean ridge |
CIR |
-18.3470 |
65.3050 |
2730 |
2009 submersible Shinkai 6500; 2006 plume only |
SWIR, 51.7 E |
active, inferred |
mid-ocean ridge |
SWIR |
-37.4660 |
51.7320 |
1595 |
2008 plume and dredge only |
MAR, 16 46'N |
inactive |
mid-ocean ridge |
N MAR |
16.7950 |
-46.3800 |
3300 |
NotProvided |
GEISEIR site 35, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.6179 |
97.8678 |
2600 |
2009 plume only |
EPR, 1 S |
active, inferred |
mid-ocean ridge |
S EPR |
-0.8000 |
-102.4600 |
2800 |
2005 plume only |
SEIR-WXC25 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
131.9000 |
3050 |
2015 plume only |
EPR, 2 S, off-axis |
active, inferred |
mid-ocean ridge |
S EPR |
-2.0840 |
-102.8270 |
3000 |
2008 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, 9 17'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.2800 |
-104.2166 |
2585 |
1989 Argo I towed video |
Alarcon Rise, Meyibo |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3553 |
-108.5443 |
2295 |
2012 ROV Doc Ricketts |
Animal Farm |
active, confirmed |
mid-ocean ridge |
S EPR |
-18.6080 |
-113.4000 |
2675 |
1993 submersible Nautile |
EPR, 31.4 S, Segment E4 |
active, inferred |
mid-ocean ridge |
S EPR |
-31.4330 |
-111.9670 |
2350 |
1998 plume only |
Gakkel Ridge, Site 3 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
84.4333 |
2.1333 |
4300 |
2001 plume only |