West Valley |
active, inferred |
mid-ocean ridge |
JdF Ridge |
48.4833 |
-129.0417 |
3000 |
1987 and 1988 deposits only (towed camera did not confirm activity) |
Alarcon Rise, Ja Sit |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3765 |
-108.5315 |
2304 |
2012 ROV Doc Ricketts |
SWIR, Plume 6 |
active, inferred |
mid-ocean ridge |
SWIR |
-27.7670 |
65.1330 |
3200 |
1997 plume only |
CIR, 8-17 S, Segment 7 |
active, inferred |
mid-ocean ridge |
CIR |
-17.0000 |
66.8000 |
3100 |
2010 plume only |
EPR, 9 40'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.6500 |
-104.2600 |
2572 |
1989 Argo I towed video; 1991 submersible Alvin |
Mount Jourdanne |
inactive |
mid-ocean ridge |
SWIR |
-27.8500 |
63.9333 |
2940 |
1998 submersible Shinkai 6500 |
Gorda Ridge, EP96B |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.5500 |
-126.8333 |
3400 |
1984 deposits only; 1996 plume only |
Iguanas-Pinguinos |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
2.1000 |
-91.9350 |
1640 |
2005 towed video Medea |
GEISEIR site 37, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7483 |
98.1756 |
2800 |
2009 plume only |
Guaymas Basin, Northern Trough_2 |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.4110 |
-111.3879 |
1800 |
2015 ROV Hybis |
Squid Forest |
inactive |
mid-ocean ridge |
Kolbeinsey Ridge |
68.0000 |
-17.5000 |
900 |
1999 ROV Aglantha |
EPR, 30.4 S, Segment E2 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.3750 |
-111.7640 |
2320 |
1998 plume only |
Feather Duster |
active, confirmed |
mid-ocean ridge |
N EPR |
10.9267 |
-103.6767 |
2520 |
1984 towed camera and submersible Alvin |
Zenith-Victory |
inactive |
mid-ocean ridge |
N MAR |
20.1292 |
-45.6225 |
2390 |
2008 (need citation to confirm that the field was discovered by TV-profiling and dredging) |
Owen transform fault |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
9.8333 |
57.9500 |
4500 |
NotProvided |
AAR KR1, Mujin |
active, inferred |
mid-ocean ridge |
SEIR |
-62.1000 |
158.8000 |
2100 |
2011 plume and biological samples |
GEISEIR site 13, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0125 |
86.0608 |
2800 |
2010 plume only |
EPR, 16 35'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.5830 |
-113.0600 |
2650 |
1993 plume only; 1998 submersible Alvin did not confirm activity |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
EPR/Tamayo intersection |
active, inferred |
mid-ocean ridge |
N EPR |
22.9333 |
-108.0667 |
3200 |
1979 submersible Alvin did not confirm activity |
Dellwood Seamount |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.7470 |
-130.8961 |
800 |
1974 or earlier deposits only; 2018 ROV Hercules inactive |
Hess Deep |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.2500 |
-101.5000 |
5100 |
NotProvided |
GEISEIR site 5, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2420 |
81.1580 |
2860 |
1996 plume only; 2007 plume only |
Galapagos Rift, 93.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.4970 |
-93.7700 |
2220 |
2005 plume only |
GEISEIR site 27, segment M5 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.9805 |
93.4571 |
2700 |
2009 plume only |
Gakkel Ridge, Site 2 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
83.8500 |
-2.0000 |
3900 |
2001 plume only |
MAR, segment south of St. Paul system |
active, inferred |
mid-ocean ridge |
N MAR |
0.5000 |
-25.0000 |
3500 |
2013 plume only |
AMAR |
active, inferred |
mid-ocean ridge |
N MAR |
36.3833 |
-33.6500 |
2600 |
1992 plume only; 1994 plume only |
Rapa Nui |
active, confirmed |
mid-ocean ridge |
S EPR |
-21.5620 |
-114.3000 |
2845 |
1999 submersible Alvin; 1987-1988 deposits only |
Lucky Strike |
active, confirmed |
mid-ocean ridge |
N MAR |
37.2933 |
-32.2733 |
1740 |
1993 submersible Alvin; 1992 dredge and plume only |