Fukujin volcano |
active, inferred |
arc volcano |
Mariana Arc |
21.9300 |
143.4700 |
1100 |
1987 deposits only |
EPR, 15 24'S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.4000 |
-112.8350 |
2640 |
1993 plume only |
Neptune's Beard |
active, inferred |
mid-ocean ridge |
N MAR |
12.9100 |
-44.9000 |
4100 |
1984 plume only; 2000 TV survey did not confirm activity |
MAR, 4 02'S |
active, inferred |
mid-ocean ridge |
S MAR |
-4.0333 |
-12.2500 |
4000 |
2005 plume only |
CIR, 8-17 S, Segment 4, 11.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.3000 |
66.4000 |
3500 |
2010 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 |
Tonga Arc, Volcano A |
active, inferred |
arc volcano |
Tonga Arc |
-20.8600 |
-175.5500 |
700 |
2004 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) |
FRSC, 14b, 16.11 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.1150 |
-174.5680 |
2250 |
2008 plume only |
SWIR, D36 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.7490 |
11.7110 |
3981 |
2000-2001 plume and dredge only |
EPR, 16 43'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.7170 |
-113.0680 |
2600 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
Galapagos Rift, 95.5 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.6700 |
-95.4500 |
3200 |
1990 submersible Alvin did not confirm activity |
S Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
34.8670 |
-36.4330 |
3460 |
1992 plume only |
Okinawa Trough, Site ES2 |
active, inferred |
back-arc spreading center |
Okinawa Trough |
28.8137 |
128.1028 |
779 |
1992 dredge only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
Bai Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-37.9000 |
48.8000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
Mariana Trough, plume 2 |
active, inferred |
back-arc spreading center |
Mariana Trough |
12.7610 |
143.4730 |
2950 |
2003 plume only |
CLSC, CL_8 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.0500 |
-176.3333 |
2250 |
2009 plume only |
MTJ, PAPATUA |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3850 |
-174.6430 |
2170 |
1986 PAPATUA Expedition deposits only; 2008 plume only |
SWIR, Plume 5 |
active, inferred |
mid-ocean ridge |
SWIR |
-27.9170 |
64.4500 |
4000 |
1997 plume only |
C-ELSC, plume 19 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.8700 |
-176.2170 |
2230 |
2004 plume only |
Hinetapeka volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-28.5900 |
-177.8200 |
300 |
2004 plume and dredging NZAPLUME III expedition |
GEISEIR site 28, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.7237 |
94.6039 |
2700 |
2009 plume only |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
Lucky B |
active, inferred |
mid-ocean ridge |
Lena Trough |
81.3610 |
-3.4400 |
4000 |
1999 dredging only |
GEISEIR site 17, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.6498 |
87.3481 |
2500 |
2010 plume only |
SEIR-WXC22 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
132.1000 |
2950 |
2015 plume only |
Vityaz megamullion |
active, inferred |
mid-ocean ridge |
CIR |
-5.4000 |
68.5833 |
3500 |
1979 plume and deposits only |
Eye of Mordor Seamount |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
1.9410 |
-91.3100 |
1555 |
2005 plume only |
EPR, 11 30'N |
active, inferred |
mid-ocean ridge |
N EPR |
11.4833 |
-103.7833 |
2422 |
1981 towed camera and plume did not confirm activity; 1988 submersible Alvin dive #1996 (need reference to confirm activity) |