Hinetapeka volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-28.5900 |
-177.8200 |
300 |
2004 plume and dredging NZAPLUME III expedition |
Carlsberg Ridge, 63 40'E |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
3.7000 |
63.6666 |
3500 |
2007 plume only |
EPR, 15 S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.0000 |
-112.7700 |
2640 |
1985/86 or 1989 TV grab (need to check references to confirm activity); 1993 plume only |
GEISEIR site 35, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.6179 |
97.8678 |
2600 |
2009 plume only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
Gorda Ridge, EP96B |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.5500 |
-126.8333 |
3400 |
1984 deposits only; 1996 plume only |
Reykjanes Ridge, Area A |
active, inferred |
mid-ocean ridge |
Reykjanes Ridge |
62.4500 |
-25.4330 |
500 |
NotProvided |
FRSC, T12A-01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.7850 |
-174.5260 |
500 |
2012 plume only |
ESR, E5 |
active, inferred |
back-arc spreading center |
East Scotia Ridge |
-57.5000 |
-30.2000 |
3000 |
1999 plume only |
CIR, Segment 3, Hydrothermal Plume Site |
active, inferred |
mid-ocean ridge |
CIR |
-24.0000 |
69.6667 |
2840 |
1987 plume only; 2005/2006 plume only |
Kana Keoki seamount |
active, inferred |
arc volcano |
Solomons Arc |
-8.7500 |
157.0300 |
650 |
1993 observations did not confirm activity |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
MTJ, T08C01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9629 |
-174.7961 |
2400 |
2008 plume only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
SEIR-WXC27 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.4000 |
134.3000 |
2760 |
2015 plume only |
E Los Huellos Caldera |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
0.9500 |
-90.5300 |
1600 |
2005 plume only; 2005 towed video Medea did not confirm activity |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
S-OH1 |
active, inferred |
mid-ocean ridge |
N MAR |
34.5330 |
-36.8500 |
3000 |
1996 submersible Nautile did not find active vents; 2000 or earlier plume only |
VFR, plume 4 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.3400 |
-176.6590 |
1700 |
2004 plume only |
near Jade Emperor Mountain, on-axis |
active, inferred |
mid-ocean ridge |
SWIR |
-37.8666 |
49.2166 |
3000 |
2010 plume only |
Alarcon Rise/Pescadero intersection |
active, inferred |
mid-ocean ridge |
Gulf of California |
23.6423 |
-108.3948 |
2384 |
2015 ROV Doc Ricketts did not confirm activity |
CIR, 8-17 S, Segment 4, 11.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.3000 |
66.4000 |
3500 |
2010 plume only |
EPR, mid 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.0000 |
-105.3800 |
2750 |
1997 plume only |
Carlsberg Ridge, CR2003 |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
6.0500 |
60.9500 |
3500 |
2003 plume only; 2007 plume only |
C-ELSC, plume 15 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.2700 |
-176.3470 |
2230 |
2004 plume only |
SWIR, 63.9 E |
active, inferred |
mid-ocean ridge |
SWIR |
-27.8510 |
63.9230 |
2759 |
2009 DY115-20 Leg 7 (need reference to confirm activity) |
Suakin Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
19.6333 |
38.7333 |
2850 |
1972 deposits only |
SESCA |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
40.7500 |
-127.5200 |
3300 |
1986 sediments and heat-flow measurements |
GEISEIR site 25, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.3115 |
92.1335 |
2700 |
2009 plume only |
Mata Ono |
active, inferred |
arc volcano |
Lau Basin |
-14.9333 |
-173.7916 |
2600 |
2010 plume only |