MAR, 16 46'N |
inactive |
mid-ocean ridge |
N MAR |
16.7950 |
-46.3800 |
3300 |
NotProvided |
SEIR |
inactive |
mid-ocean ridge |
SEIR |
-28.0614 |
74.1733 |
5000 |
NotProvided |
Carlsberg Ridge, 1.67 S |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
-1.6768 |
67.7700 |
4500 |
NotProvided |
Shinkurose Bank |
inactive |
arc volcano |
Izu-Bonin Arc |
33.5667 |
140.1667 |
200 |
1992 or earlier submersible Shinkai 2000 |
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) |
Dellwood Seamount |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.7470 |
-130.8961 |
800 |
1974 or earlier deposits only; 2018 ROV Hercules inactive |
Squid Forest |
inactive |
mid-ocean ridge |
Kolbeinsey Ridge |
68.0000 |
-17.5000 |
900 |
1999 ROV Aglantha |
MAR, 22 30'N |
inactive |
mid-ocean ridge |
N MAR |
22.5000 |
-45.0050 |
2800 |
NotProvided |
Galapagos Rift, 95 W |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.5000 |
-95.1667 |
2600 |
NotProvided |
western Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.0000 |
147.0000 |
1800 |
NotProvided |
Paramushir Island |
inactive |
arc volcano |
Kuril Arc |
50.3300 |
155.5000 |
800 |
NotProvided |
Petersburgskoe |
inactive |
mid-ocean ridge |
N MAR |
19.8666 |
-45.8666 |
3100 |
2010 dredging only |
Romanche Fracture Zone |
inactive |
mid-ocean ridge |
S MAR |
-0.9767 |
-24.5133 |
3100 |
NotProvided |
MAR, 23 35'N |
inactive |
mid-ocean ridge |
N MAR |
23.5833 |
-45.0000 |
3500 |
1980 submersible Alvin did not observe hydrothermal activity |
Parece Vela Ridge, Philippine Sea |
inactive |
back-arc spreading center |
Parece Vela Basin |
16.0000 |
139.1667 |
5000 |
NotProvided |
Kurose Hole |
inactive |
arc volcano |
Izu-Bonin Arc |
33.4000 |
139.6800 |
760 |
1989 inactive; 2009 inactive |
MAR, 24 20'N |
inactive |
mid-ocean ridge |
N MAR |
24.3500 |
-46.2000 |
3200 |
NotProvided |
EPR 87D1 Seamount |
inactive |
mid-ocean ridge |
N EPR |
11.5333 |
-103.8600 |
2090 |
NotProvided |
Guaymas Basin, Northern Trough |
inactive |
mid-ocean ridge |
Gulf of California |
27.3050 |
-111.5067 |
2000 |
1977 submersible Seacliff (hydrothermal deposits only) |
central Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.4199 |
150.1681 |
2500 |
NotProvided |
Jade Emperor Mountain |
inactive |
mid-ocean ridge |
SWIR |
-37.9400 |
49.2600 |
1500 |
2010 video sled, plume survey, and geological sampling all suggest inactive |
MAR, 24 30'N |
inactive |
mid-ocean ridge |
N MAR |
24.5000 |
-46.1533 |
3900 |
1987 deposits only |
Mount Jourdanne |
inactive |
mid-ocean ridge |
SWIR |
-27.8500 |
63.9333 |
2940 |
1998 submersible Shinkai 6500 |
east of Central Spreading Ridge |
inactive |
back-arc spreading center |
North Fiji Basin |
-15.4510 |
174.6902 |
3000 |
NotProvided |
Pere Lachaise |
inactive |
back-arc spreading center |
North Fiji Basin |
-16.9667 |
173.9333 |
2000 |
1989 submersible Nautile did not find activity; 1991 submersible Shinkai 6500 did not find activity |
Haungaroa |
active, inferred |
arc volcano |
Kermadec Arc |
-32.6060 |
-179.6090 |
1165 |
2002 plume only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
MTJ, V12A-04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9540 |
-174.7110 |
1330 |
2012 plume only |
CIR, 8-17 S, Segment 2 |
active, inferred |
mid-ocean ridge |
CIR |
-9.9000 |
66.7500 |
4000 |
2010 plume only |
Mohns Ridge, 72.8 N |
active, inferred |
mid-ocean ridge |
Mohns Ridge |
72.8060 |
4.1650 |
2300 |
2013 plume only |