Gorda Ridge, GR-15 |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.9500 |
-126.5500 |
3365 |
1985 plume only |
GEISEIR site 38, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-48.0048 |
98.8232 |
2800 |
2009 plume only |
N Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
35.2830 |
-34.8670 |
2600 |
1992 plume only |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
MAR, 24 20'N |
inactive |
mid-ocean ridge |
N MAR |
24.3500 |
-46.2000 |
3200 |
NotProvided |
W Los Huellos Caldera |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
1.0000 |
-90.6000 |
1600 |
2005 plume only |
EPR, 27.7 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-27.7000 |
-112.9170 |
2105 |
1998 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 |
Chile Triple Junction, 10 km north |
active, inferred |
mid-ocean ridge |
Chile Rise |
-46.2000 |
-75.8333 |
3000 |
2010 plume only |
Alarcon Rise, Meyibo |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3553 |
-108.5443 |
2295 |
2012 ROV Doc Ricketts |
Tempus Fugit |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
0.7683 |
-85.9100 |
2560 |
2011 ROV Little Hercules |
EPR, 9 47'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.7750 |
-104.2802 |
2560 |
1989 Argo I towed video; 1991 submersible Alvin |
GEISEIR site 3, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7720 |
79.7530 |
2800 |
1996 plume only |
Nibelungen |
active, confirmed |
mid-ocean ridge |
S MAR |
-8.3000 |
-13.5200 |
2900 |
2006 AUV ABE followed by ROV Quest; 2004 plume only |
EPR, 30.8 S, Segment E2 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.7500 |
-111.8770 |
2360 |
1998 plume only |
Floc |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
46.3133 |
-129.7050 |
2290 |
1993 DEEPTOW and submersible Alvin |
Pacific-Antarctic Ridge, 60 S segment |
active, inferred |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-60.0000 |
-152.0000 |
2300 |
2009 plume only |
Menez Hom |
active, confirmed |
mid-ocean ridge |
N MAR |
37.1500 |
-32.4333 |
1802 |
2002 ROV Victor 6000 |
AAR KR2 |
active, inferred |
mid-ocean ridge |
SEIR |
-60.0000 |
152.5000 |
3200 |
2011 plume only |
GEISEIR site 14, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0716 |
86.1550 |
2700 |
2010 plume only |
EPR, 16 43'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.7170 |
-113.0680 |
2600 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
Knipovich Ridge, 76 48'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
76.7833 |
8.0000 |
3500 |
1996 temperature anomaly and towed video did not confirm activity |
High-Rise Field |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
47.9666 |
-129.0894 |
2200 |
1988 submersible Alvin |
MAR, 17 S |
active, inferred |
mid-ocean ridge |
S MAR |
-17.2522 |
-14.2270 |
3280 |
2013 plume only |
Teotihuacan |
active, confirmed |
mid-ocean ridge |
N EPR |
15.7333 |
-105.4333 |
2300 |
2010 submersible Nautile; 1997 plume only |
Galapagos Rift, 94.4 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.5300 |
-94.3300 |
2400 |
2005 plume only |
GEISEIR site 28, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.7237 |
94.6039 |
2700 |
2009 plume only |
Gakkel Ridge, Site 3 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
84.4333 |
2.1333 |
4300 |
2001 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 |
Ashadze-2 |
active, confirmed |
mid-ocean ridge |
N MAR |
12.9917 |
-44.9067 |
3300 |
2007 ROV Victor 6000; 2005 TV profiling, plume, and dredge did not confirm activity |