Kuwae submarine caldera |
active, inferred |
arc volcano |
New Hebrides Arc |
-16.8300 |
168.5300 |
484 |
2001 plume and inconclusive grab samples |
Kolumbo |
active, confirmed |
arc volcano |
Hellenic Arc, Aegean Sea |
36.5250 |
25.4833 |
500 |
2006 ROV Hercules |
Reykjanes Ridge, Area A |
active, inferred |
mid-ocean ridge |
Reykjanes Ridge |
62.4500 |
-25.4330 |
500 |
NotProvided |
Piip Submarine Volcano |
active, confirmed |
arc volcano |
Aleutian Arc, western |
55.4167 |
167.2717 |
500 |
1990 Mir submersible; 1981 R/V "Vulcanolog" cruise; 1987 (or 1986) echo-sounder fluid discharge |
Macauley Caldera |
active, confirmed |
arc volcano |
Kermadec Arc |
-30.2140 |
-178.7210 |
500 |
2002 towed camera TAN0205 cruise |
FRSC, T12A-01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.7850 |
-174.5260 |
500 |
2012 plume only |
Kasuga 2 Seamount |
active, confirmed |
arc volcano |
Mariana Arc |
21.6000 |
143.6167 |
500 |
1987 submersible Alvin |
Kavachi submarine volcano |
active, inferred |
arc volcano |
Solomons Arc |
-8.9833 |
157.9667 |
500 |
2000 plume only |
Doyo Seamount |
active, confirmed |
arc volcano |
Izu-Bonin Arc |
27.6833 |
140.8167 |
520 |
1990 submersible Shinkai 2000 |
Adventure Caldera |
active, confirmed |
arc volcano |
South Sandwich Arc |
-59.7210 |
-27.8571 |
520 |
2011 SHRIMP towed camera system; 2010 high resolution bathymetry only |
Okinawa Trough, Site ES1 |
active, inferred |
back-arc spreading center |
Okinawa Trough |
30.3303 |
129.0827 |
521 |
1992 dredge only |
Solwara 17 |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.0380 |
147.5280 |
535 |
2009 commercial ROV Fugro FV300; 2008 plumes with some sites subsequently observed with ROV |
Troll Wall |
active, confirmed |
mid-ocean ridge |
Mohns Ridge |
71.2833 |
-5.7667 |
550 |
2005 ROV BIODEEP-05 cruise |
Tonga Arc, Volcano J1 |
active, inferred |
arc volcano |
Tonga Arc |
-17.2400 |
-173.9500 |
560 |
2004 plume only |
Luso |
active, confirmed |
mid-ocean ridge |
N MAR |
38.9833 |
-29.8833 |
570 |
2018 ROV Luso |
Yoron Hole |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.4916 |
127.5333 |
590 |
2010 ROV Hyperdolphin |
Northwest Rota-1 volcano |
active, confirmed |
arc volcano |
Mariana Arc |
14.6010 |
144.7750 |
599 |
2004 ROV ROPOS; 2003 plume only |
Grover Seamount |
active, confirmed |
arc volcano |
Solomons Arc |
-10.4667 |
164.2500 |
600 |
2002 towed video |
Enarete Seamount |
active, confirmed |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6250 |
14.0000 |
600 |
2011 ROV Hercules; 1976 Fe crusts only; 1997 manganese crust only; 2007 plume only |
Kasuga 1 Seamount |
inactive |
arc volcano |
Mariana Arc |
21.7650 |
143.7100 |
600 |
2003 no plume detected |
Naung |
active, inferred |
arc volcano |
Sangihe Arc |
3.7791 |
125.3750 |
600 |
2001 dredge only, 2003 CTD only |
Nikko volcano |
active, confirmed |
arc volcano |
Mariana Arc |
23.0833 |
142.3333 |
600 |
1992 submersible Shinkai 6500; 1979 first observed discolored water above the seamount |
Douglas Strait caldera, Thule Island, South Sandwich Islands |
active, inferred |
arc volcano |
South Sandwich Arc |
-59.4167 |
-27.3333 |
625 |
2009 plume only; 2008 or earlier high resolution bathymetry only |
Kuiwai |
active, inferred |
arc volcano |
Kermadec Arc |
-33.1560 |
-179.9560 |
630 |
2002 plume only |
Kana Keoki seamount |
active, inferred |
arc volcano |
Solomons Arc |
-8.7500 |
157.0300 |
650 |
1993 observations did not confirm activity |
Sumisu Caldera |
active, confirmed |
arc volcano |
Izu-Bonin Arc |
31.4667 |
140.0667 |
690 |
1998 submersible Shinkai 2000 |
Putoto volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-27.6800 |
-177.6100 |
700 |
2004 plume and dredging NZAPLUME III expedition |
Tonga Arc, Volcano A |
active, inferred |
arc volcano |
Tonga Arc |
-20.8600 |
-175.5500 |
700 |
2004 plume only |
Minami-Ensei Knoll |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
28.3917 |
127.6417 |
740 |
1988 deep tow TV surveys followed by submersible Shinkai 2000; 1986 dredged Calyptogena shells |
Soria Moria |
active, confirmed |
mid-ocean ridge |
Mohns Ridge |
71.2593 |
-5.8146 |
750 |
2005 ROV BIODEEP-05 cruise |