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 |
MAR, 25 50'N |
inactive |
mid-ocean ridge |
N MAR |
25.8083 |
-44.9833 |
3000 |
NotProvided |
Philippine Ridge, West Philippine Basin |
inactive |
back-arc spreading center |
West Philippine Basin |
12.0000 |
131.4170 |
5800 |
NotProvided |
Conical Seamount |
inactive |
arc volcano |
Tabar-Feni Arc |
-3.2500 |
152.6600 |
1050 |
1998 TV grab survey determined inactive |
Owen transform fault |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
9.8333 |
57.9500 |
4500 |
NotProvided |
EPR, 14 N seamount |
inactive |
mid-ocean ridge |
N EPR |
14.1500 |
-104.3667 |
2600 |
NotProvided |
DSDP Hole 504B |
inactive |
mid-ocean ridge |
Galapagos Rift |
1.2267 |
-83.7300 |
3500 |
NotProvided |
Petersburgskoe |
inactive |
mid-ocean ridge |
N MAR |
19.8666 |
-45.8666 |
3100 |
2010 dredging only |
Brown Bear Seamount |
inactive |
mid-ocean ridge |
JdF Ridge |
46.0333 |
-130.5500 |
1500 |
NotProvided |
Mount Jourdanne |
inactive |
mid-ocean ridge |
SWIR |
-27.8500 |
63.9333 |
2940 |
1998 submersible Shinkai 6500 |
Gorda Ridge, 41 30'N |
inactive |
mid-ocean ridge |
Gorda Ridge |
41.5167 |
-127.4500 |
3350 |
1984 deposits only |
Hawaiian Ridge |
inactive |
intra-plate volcano |
Central Pacific |
15.0000 |
-157.5000 |
5000 |
1987 or earlier |
E Eye of Mordor |
inactive |
mid-ocean ridge |
Galapagos Rift |
1.9058 |
-91.2310 |
1600 |
2005 towed video Medea found inactive chimneys |
Jade Emperor Mountain |
inactive |
mid-ocean ridge |
SWIR |
-37.9400 |
49.2600 |
1500 |
2010 video sled, plume survey, and geological sampling all suggest inactive |
Galapagos Rift, 85 50'W |
inactive |
mid-ocean ridge |
Galapagos Rift |
0.7500 |
-85.8333 |
2600 |
1988 or earlier submersible observations |
Carlsberg Ridge, 1.67 S |
inactive |
mid-ocean ridge |
Carlsberg Ridge |
-1.6768 |
67.7700 |
4500 |
NotProvided |
Solwara 12 |
inactive |
back-arc spreading center |
Manus Basin |
-3.7086 |
151.8834 |
1920 |
2009 commercial ROV Fugro FV300 inactive |
EPR 87D1 Seamount |
inactive |
mid-ocean ridge |
N EPR |
11.5333 |
-103.8600 |
2090 |
NotProvided |
Hess Deep |
inactive |
mid-ocean ridge |
Galapagos Rift |
2.2500 |
-101.5000 |
5100 |
NotProvided |
MAR, 15 50'N |
inactive |
mid-ocean ridge |
N MAR |
15.8667 |
-46.6667 |
3000 |
NotProvided |
Krasnov |
inactive |
mid-ocean ridge |
N MAR |
16.6400 |
-46.4750 |
3900 |
2002 or earlier plume only; 2004 TV grab indicated inactive; 2007 ROV Victor indicated inactive |
Explorer Deep |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.1000 |
-129.7500 |
3200 |
1969, deposits only |
Tripartite Ridge, south of TR1 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.5000 |
177.0000 |
3000 |
NotProvided |
MAR, 12 48'N |
inactive |
mid-ocean ridge |
N MAR |
12.8000 |
-44.7883 |
2400 |
NotProvided |
Dellwood Seamount |
inactive |
mid-ocean ridge |
Explorer Ridge |
50.7470 |
-130.8961 |
800 |
1974 or earlier deposits only; 2018 ROV Hercules inactive |
Kasuga 1 Seamount |
inactive |
arc volcano |
Mariana Arc |
21.7650 |
143.7100 |
600 |
2003 no plume detected |
MAR, 16 46'N |
inactive |
mid-ocean ridge |
N MAR |
16.7950 |
-46.3800 |
3300 |
NotProvided |
Mata Nima |
inactive |
arc volcano |
Lau Basin |
-14.9583 |
-173.7833 |
2670 |
2010 no plume detected |
Tripartite Ridge, south of TR3 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.0745 |
175.4729 |
3000 |
NotProvided |
Ashadze-3 |
inactive |
mid-ocean ridge |
N MAR |
12.9860 |
-44.8610 |
4200 |
2005 plume and dredge only |