Ngatoroirangi |
active, inferred |
arc volcano |
Kermadec Arc |
-33.7310 |
179.8250 |
467 |
2002 plume only |
TaiJi |
active, inferred |
mid-ocean ridge |
S MAR |
-13.5900 |
-14.5200 |
3180 |
2011 plume only |
Kuwae submarine caldera |
active, inferred |
arc volcano |
New Hebrides Arc |
-16.8300 |
168.5300 |
484 |
2001 plume and inconclusive grab samples |
Gakkel Ridge, Site 6 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.5333 |
43.0000 |
3000 |
2001 plume only |
MAR, 25 S |
active, inferred |
mid-ocean ridge |
S MAR |
-25.3350 |
-13.6305 |
2570 |
2013 plume only |
Pacific-Antarctic Ridge, 64 S segment |
active, inferred |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-64.5000 |
-170.0000 |
2300 |
2009 plume only |
N Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
35.2830 |
-34.8670 |
2600 |
1992 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 |
SWIR, D57 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2240 |
13.7380 |
3517 |
2000-2001 plume and dredge only |
CIR, 19 29'S |
active, inferred |
mid-ocean ridge |
CIR |
-19.4830 |
65.7330 |
2700 |
1988 plume only; 2000 submersible Nautile did not confirm activity |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
CIR, 8-17 S, Segment 2 |
active, inferred |
mid-ocean ridge |
CIR |
-9.9000 |
66.7500 |
4000 |
2010 plume only |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |
Sisifo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7833 |
13.8666 |
1200 |
2007 plume only |
Rumble II West |
active, inferred |
arc volcano |
Kermadec Arc |
-35.3600 |
178.5170 |
1500 |
1996 dredging only; 1999 plume only |
Sonne |
active, inferred |
arc volcano |
Kermadec Arc |
-34.0580 |
179.5890 |
1127 |
2002 plume only |
FRSC, 14b, 16.11 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.1150 |
-174.5680 |
2250 |
2008 plume only |
Eolo Seamount |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.5800 |
14.1667 |
800 |
1976 Fe crusts only; 2007 plume only; 2011 ROV Hercules but can not confirm based on Carey et al. (2012) |
EPR, southern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
16.5800 |
-105.3000 |
2700 |
1997 plume only |
Merian |
active, inferred |
mid-ocean ridge |
S MAR |
-26.0166 |
-13.8500 |
2550 |
2012 R/V Dayang Yihao; 2013 AUV Abyss plume and side-scan data |
GEISEIR site 7, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8020 |
81.8380 |
2540 |
1996 plume only; 2010 plume only |
Lobster |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3330 |
-176.2830 |
1500 |
2008 plume and dredge only |
Bai Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-37.9000 |
48.8000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
GEISEIR site 20, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9508 |
87.8008 |
2400 |
2010 plume only |
Aden New Century Mountains |
active, inferred |
mid-ocean ridge |
Aden Ridge |
12.0833 |
45.6667 |
800 |
2000-2001 plume only |
EPR, 28.7 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.7000 |
-112.9880 |
2350 |
1998 plume only |
MAR, south of 15 20'N fracture zone |
active, inferred |
mid-ocean ridge |
N MAR |
15.0833 |
-45.0000 |
3000 |
1988 plume only; 1992 submersible Nautile did not observe active vents |
GEISEIR site 30, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.6240 |
96.0594 |
2500 |
2009 plume only |
Rakahore volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-26.8100 |
-177.4000 |
1200 |
2004 plume and dredging NZAPLUME III expedition |
Tonga Arc, Volcano 15 |
active, inferred |
arc volcano |
Tonga Arc |
-23.9000 |
-176.7800 |
1400 |
2003 plume only |