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S. Pacific
Below is the subset of Vent Fields that contain the taxonomy term (Activity, Tectonic Setting, Region, Ocean, National Jurisdiction, Temperature Category, or MGDS Feature ID) listed above.
You can sort the list below by clicking on a column header.
Vent Field Name ID |
Activity | Tectonic Setting | Region | Latitude | Longitude | Maximum or Single Reported Depth | Year and How Discovered |
|---|---|---|---|---|---|---|---|
| 94SO2 | active, inferred | back-arc spreading center | New Hebrides back-arc | -19.4000 | 169.9000 | 980 | 1994 towed camera with temperature did not confirm activity |
| ABE | active, confirmed | back-arc spreading center | Lau Basin | -20.7619 | -176.1910 | 2220 | 2004 AUV ABE; 2004 plume only on previous cruise |
| Animal Farm | active, confirmed | mid-ocean ridge | S EPR | -18.6080 | -113.4000 | 2675 | 1993 submersible Nautile |
| Banda Api | active, confirmed | arc volcano | Banda/Sunda Arc | -4.5250 | 129.8710 | 3 | 1993 SCUBA |
| Bounty Seamount | active, confirmed | intra-plate volcano | Central Pacific | -25.1667 | -129.4000 | 420 | 1999 submersible Nautile; 1989 plume only |
| Brothers volcano | active, confirmed | arc volcano | Kermadec Arc | -34.8667 | 179.0667 | 1800 | 1998 towed camera; 1996 dredging only |
| C-ELSC, plume 13 | active, inferred | back-arc spreading center | Lau Basin | -21.4150 | -176.3720 | 2100 | 2004 plume only |
| C-ELSC, plume 14 | active, inferred | back-arc spreading center | Lau Basin | -21.3200 | -176.3640 | 2100 | 2004 plume only |
| C-ELSC, plume 15 | active, inferred | back-arc spreading center | Lau Basin | -21.2700 | -176.3470 | 2230 | 2004 plume only |
| C-ELSC, plume 17 | active, inferred | back-arc spreading center | Lau Basin | -20.9900 | -176.2530 | 2270 | 2004 plume only |
| C-ELSC, plume 18 | active, inferred | back-arc spreading center | Lau Basin | -20.9500 | -176.2390 | 2230 | 2004 plume only |
| C-ELSC, plume 19 | active, inferred | back-arc spreading center | Lau Basin | -20.8700 | -176.2170 | 2230 | 2004 plume only |
| C-ELSC, unnamed | active, inferred | back-arc spreading center | Lau Basin | -21.1070 | -176.2920 | 2300 | 2004 (assume submersible Shinkai 6500); 2004 plume only on previous cruise |
| Calypso Vents | active, confirmed | back-arc spreading center | Taupo Volcanic Zone | -37.6800 | 177.1170 | 200 | 1989 submersible Soucoup |
| central Manus Basin, Bismarck Sea | inactive | back-arc spreading center | Manus Basin | -3.4199 | 150.1681 | 2500 | NotProvided |
| Central Spreading Ridge, Station 19 S | active, inferred | back-arc spreading center | North Fiji Basin | -19.0000 | 173.5000 | 3000 | 1991 submersible Shinkai 6500 did not confirm activity |
| Chile Rise, Segment N8 | active, inferred | mid-ocean ridge | Chile Rise | -38.7167 | -91.5667 | 3330 | 1998 plume only |
| Chile Rise, Segment N9A | active, inferred | mid-ocean ridge | Chile Rise | -39.0500 | -91.5833 | 3450 | 1998 plume only |
| Chile Triple Junction | active, inferred | mid-ocean ridge | Chile Rise | -46.3000 | -75.8000 | 3000 | 2010 plume only |
| Chile Triple Junction, 10 km north | active, inferred | mid-ocean ridge | Chile Rise | -46.2000 | -75.8333 | 3000 | 2010 plume only |
| Clark volcano | active, confirmed | arc volcano | Kermadec Arc | -36.4490 | 177.8400 | 930 | 2005 submersible Pisces V; 1999 plume only |
| CLSC, A3 | active, confirmed | back-arc spreading center | Lau Basin | -18.6000 | -176.4500 | 2500 | 1990 submersible Mir |
| CLSC, CL_7 | active, inferred | back-arc spreading center | Lau Basin | -18.1333 | -176.3667 | 2250 | 2009 plume only |
| CLSC, CL_8 | active, inferred | back-arc spreading center | Lau Basin | -18.0500 | -176.3333 | 2250 | 2009 plume only |
| CLSC, northern plumes on CL6 | active, inferred | back-arc spreading center | Lau Basin | -18.1333 | -176.2833 | 2250 | 2009 plume only |
| CLSC, plumes on CL1 | active, inferred | back-arc spreading center | Lau Basin | -17.8667 | -176.3833 | 2250 | 2009 plume only |
| CLSC, southern plumes on CL6 | active, inferred | back-arc spreading center | Lau Basin | -18.5000 | -176.3833 | 2250 | 2009 plume only |
| Conical Seamount | inactive | arc volcano | Tabar-Feni Arc | -3.2500 | 152.6600 | 1050 | 1998 TV grab survey determined inactive |
| DESMOS Cauldron | active, confirmed | back-arc spreading center | Manus Basin | -3.6958 | 151.8717 | 2000 | 1990 deep-sea monitoring system (DESMOS) video and still cameras |
| Dugong submarine volcano | active, inferred | back-arc spreading center | Lau Basin | -15.4500 | -175.7000 | 1170 | 2008 plume only |
| East Mata submarine volcano | active, inferred | arc volcano | Tonga Arc | -15.1010 | -173.6780 | 1350 | 2008 plume only; 2009 plume only |
| east of Central Spreading Ridge | inactive | back-arc spreading center | North Fiji Basin | -15.4510 | 174.6902 | 3000 | NotProvided |
| Edison Seamount | active, inferred | arc volcano | Tabar-Feni Arc | -3.3100 | 152.5800 | 1450 | 1994 and 1998 TV grab sampling did not confirm hydrothermal activity |
| ELSC3 | active, inferred | back-arc spreading center | Lau Basin | -21.1667 | -176.3333 | 2140 | 2009 plume only |
| Epi Caldera | active, confirmed | arc volcano | New Hebrides Arc | -16.6870 | 168.4000 | 320 | 2013 ROV Kiel6000; 1974 sediment samples only; 2001 plume and camera tow (did not confirm activity) |
| EPR, 1 S | active, inferred | mid-ocean ridge | S EPR | -0.8000 | -102.4600 | 2800 | 2005 plume only |
| EPR, 1.4 S, off-axis | active, confirmed | mid-ocean ridge | S EPR | -1.3690 | -102.4560 | 3000 | 2008 towed video |
| EPR, 10 34'S | active, inferred | mid-ocean ridge | S EPR | -10.5667 | -110.2800 | 2900 | 1985/86 or 1989 TV grab (need to check references to confirm activity) |
| EPR, 11 18'S | active, confirmed | mid-ocean ridge | S EPR | -11.3000 | -110.5300 | 2650 | 1985/86 or 1989 TV grab (need to check references to confirm activity); 1998 submersible Alvin |
| EPR, 14 18'S | active, inferred | mid-ocean ridge | S EPR | -14.3000 | -112.6670 | 2630 | 1993 plume only |
| EPR, 14 35'S | active, inferred | mid-ocean ridge | S EPR | -14.5830 | -112.6670 | 2630 | 1993 plume only |
| EPR, 14 S | active, confirmed | mid-ocean ridge | S EPR | -13.9667 | -112.4667 | 2635 | 1985/86 or 1989 TV grab (need to check references to confirm activity); 1993 plume only; 1994 submersible Shinkai 6500 |
| EPR, 15 24'S | active, inferred | mid-ocean ridge | S EPR | -15.4000 | -112.8350 | 2640 | 1993 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 |
| EPR, 16 08'S | active, inferred | mid-ocean ridge | S EPR | -16.1300 | -113.0000 | 2640 | 1993 plume only |
| EPR, 16 24'S | active, inferred | mid-ocean ridge | S EPR | -16.4000 | -113.0500 | 2640 | 1993 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 |
| 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) |
| EPR, 17 12'S | active, confirmed | mid-ocean ridge | S EPR | -17.2000 | -113.1500 | 2590 | 1993 submersible Nautile |
| EPR, 17 34'S | active, confirmed | mid-ocean ridge | S EPR | -17.5667 | -113.2333 | 2600 | 1994 submersible Shinkai 6500; 1996 Argo II towed video |
| EPR, 17 42'S | active, inferred | mid-ocean ridge | S EPR | -17.7000 | -113.2500 | 2600 | 1993 plume only |
| EPR, 17 44'S | active, confirmed | mid-ocean ridge | S EPR | -17.7330 | -113.2660 | 2622 | 1998 submersible Alvin; 1993 plume only; not explored by Nautile in 1993 or Shinkai 6500 in 1994 |
| EPR, 17 47'S | active, inferred | mid-ocean ridge | S EPR | -17.7900 | -113.3000 | 2600 | 1993 plume only |
| EPR, 17 53'S | active, inferred | mid-ocean ridge | S EPR | -17.8800 | -113.3000 | 2610 | 1993 plume only |
| EPR, 17 56'S | active, inferred | mid-ocean ridge | S EPR | -17.9400 | -113.3170 | 2620 | 1993 plume only |
| EPR, 17 S | active, inferred | mid-ocean ridge | S EPR | -17.0000 | -113.1170 | 2680 | 1993 plume only |
| EPR, 18 10'S | active, confirmed | mid-ocean ridge | S EPR | -18.1700 | -113.3440 | 2700 | 1993 submersible Nautile; 1983 temperature and light attenuation anomalies |
| EPR, 18 15'S | active, confirmed | mid-ocean ridge | S EPR | -18.2500 | -113.3500 | 2680 | 1993 submersible Nautile |
| EPR, 18 26'S | active, confirmed | mid-ocean ridge | S EPR | -18.4333 | -113.3833 | 2650 | 1993 submersible Nautile; 1983 seafloor photos, temperature anomalies, and deposits did not confirm activity; 1984 submersible Cyana observed only inactive sites; 1985/86 or 1989 TV grab (need to check references to confirm activity) |
| EPR, 18 32'S | active, confirmed | mid-ocean ridge | S EPR | -18.5550 | -113.4160 | 2647 | 1993 submersible Nautile |
| EPR, 2 S | active, confirmed | mid-ocean ridge | S EPR | -2.2200 | -102.6550 | 2900 | 2008 towed video and AUV ABE |
| EPR, 2 S, off-axis | active, inferred | mid-ocean ridge | S EPR | -2.0840 | -102.8270 | 3000 | 2008 plume only |
| EPR, 20 06'S | active, confirmed | mid-ocean ridge | S EPR | -20.1000 | -113.7080 | 3000 | 1981 Angus camera tow; 1984 submersible Cyana |
| EPR, 20 S | active, inferred | mid-ocean ridge | S EPR | -20.0333 | -113.6843 | 3000 | 1999 submersible Alvin did not confirm activity |
| EPR, 21 20'S | active, inferred | mid-ocean ridge | S EPR | -21.3670 | -114.2570 | 2900 | 1981 plume only; 1987-1988 deposits only |
| EPR, 21 25'S | active, confirmed | mid-ocean ridge | S EPR | -21.4333 | -114.2917 | 2850 | 1984 submersible Cyana; 1983 deposits only |
| EPR, 21 40'S | active, inferred | mid-ocean ridge | S EPR | -21.6340 | -114.3010 | 2730 | 1987-1988 deposits only |
| EPR, 21 54'S | active, inferred | mid-ocean ridge | S EPR | -21.9000 | -114.5000 | 2800 | 1987-1988 deposits only [need to check Fouquet et al. (1993) for confirmation] |
| EPR, 22 30'S | active, inferred | mid-ocean ridge | S EPR | -22.5000 | -114.3670 | 2600 | 1985/86 or 1989 TV grab (need to check references to confirm activity) |
| EPR, 23 30'S | active, confirmed | mid-ocean ridge | S EPR | -23.5333 | -115.5667 | 2600 | 1987 or earlier [need to check Marchig & Gundlach (1987)]; 2005 submersible Alvin |
| EPR, 23 50'S | active, confirmed | mid-ocean ridge | S EPR | -23.8233 | -115.4558 | 2650 | 2005 submersible Alvin; 1990 or earlier towed TV camera did not confirm activity |
| EPR, 26 10'S | active, confirmed | mid-ocean ridge | S EPR | -26.2050 | -112.6133 | 2600 | 1987 or earlier [need to check Marchig & Gundlach (1987)]; 2005 submersible Alvin did not observe active vents |
| EPR, 26.5 S | active, confirmed | mid-ocean ridge | S EPR | -26.4833 | -112.6250 | 2064 | 1993 submersible Nautile (or earlier) |
| EPR, 27.7 S, Segment W3 | active, inferred | mid-ocean ridge | S EPR | -27.7000 | -112.9170 | 2105 | 1998 plume only |
| EPR, 27.9 S, Segment W3 | active, inferred | mid-ocean ridge | S EPR | -27.8670 | -112.9120 | 2180 | 1998 plume only |
| EPR, 28 S, Segment W3 | active, inferred | mid-ocean ridge | S EPR | -28.0170 | -112.9040 | 2130 | 1998 plume only |
| EPR, 28.3 S, Segment W3 | active, inferred | mid-ocean ridge | S EPR | -28.3000 | -112.9830 | 2220 | 1998 plume only |
| EPR, 28.4 S, Segment W4 | active, inferred | mid-ocean ridge | S EPR | -28.4170 | -112.9640 | 2350 | 1998 plume only |
| EPR, 28.7 S, Segment W4 | active, inferred | mid-ocean ridge | S EPR | -28.7000 | -112.9880 | 2350 | 1998 plume only |
| EPR, 29.5 S, Segment E1 | active, inferred | mid-ocean ridge | S EPR | -29.5000 | -111.7200 | 2580 | 1998 plume only |
| EPR, 29.8 S, Segment E1 | active, inferred | mid-ocean ridge | S EPR | -29.8000 | -111.7300 | 2580 | 1998 plume only |
| EPR, 30.1 S, Segment E1 | active, inferred | mid-ocean ridge | S EPR | -30.1330 | -111.7640 | 2480 | 1998 plume only |
| EPR, 30.4 S, Segment E2 | active, inferred | mid-ocean ridge | S EPR | -30.3750 | -111.7640 | 2320 | 1998 plume only |
| EPR, 30.8 S, Segment E2 | active, inferred | mid-ocean ridge | S EPR | -30.7500 | -111.8770 | 2360 | 1998 plume only |
| EPR, 31.4 S, Segment E4 | active, inferred | mid-ocean ridge | S EPR | -31.4330 | -111.9670 | 2350 | 1998 plume only |
| EPR, 37 40'S Axial Dome | active, confirmed | mid-ocean ridge | Pacific-Antarctic Ridge | -37.6667 | -110.8667 | 2240 | 1997 video survey L'Atalante (do not know if activity confirmed); 1995 TV survey did not confirm activity; 2001 towed video and TV-grab definitely confirmed |
| EPR, 37 48'S Axial Dome | active, confirmed | mid-ocean ridge | Pacific-Antarctic Ridge | -37.8000 | -110.9167 | 2200 | 2001 towed video and TV-grab |
| EPR, 5 S | active, inferred | mid-ocean ridge | S EPR | -5.0000 | -106.4000 | 2650 | 1980's camera tows; 1993 and 1998 plume only; 1998 submersible Alvin did not confirm activity |
| EPR, 7 25'S | active, confirmed | mid-ocean ridge | S EPR | -7.4167 | -107.8000 | 2750 | 1985/86 or 1989 TV grab (need to check references to confirm activity); 1998 submersible Alvin |
| EPR, 7 S | active, inferred | mid-ocean ridge | S EPR | -7.0000 | -107.5500 | 2600 | 1985/86 or 1989 TV grab |
| EPR, Ridge 1, 20 40'S | active, confirmed | mid-ocean ridge | S EPR | -20.8333 | -114.1667 | 3000 | 1983 Deep Tow camera |
| EPR, Ridge 3, 20 40'S | active, confirmed | mid-ocean ridge | S EPR | -20.3333 | -113.6792 | 3050 | 1983 Deep Tow camera |
| Eva | active, inferred | arc volcano | New Hebrides Arc | -22.0000 | 170.7500 | 1600 | 2008 plume only |
| Extensional Relay Zone A | active, inferred | back-arc spreading center | North Fiji Basin | -16.1667 | 177.4167 | 2335 | 1999 towed camera did not confirm activity |
| Franklin Seamount | active, confirmed | back-arc spreading center | Woodlark Basin | -9.9083 | 151.8300 | 2366 | 1990 submersible Mir |
| FRSC, 11a-3 | active, inferred | back-arc spreading center | Lau Basin | -16.7950 | -174.5230 | 2000 | 2008 plume only |
| FRSC, 14b, 16.11 S | active, inferred | back-arc spreading center | Lau Basin | -16.1150 | -174.5680 | 2250 | 2008 plume only |
| FRSC, Central | active, inferred | back-arc spreading center | Lau Basin | -16.4917 | -174.5417 | 2419 | 2004 plume only |
| FRSC, Fonualei South | active, confirmed | back-arc spreading center | Lau Basin | -17.5352 | -174.5668 | 1620 | 2012 ROV Quest 4000 |
| FRSC, RC 129 and CTD 24 plume sites | active, inferred | back-arc spreading center | Lau Basin | -17.0250 | -174.5017 | 1750 | 2004 plume only; 2004 dredging |
| FRSC, South Central | active, inferred | back-arc spreading center | Lau Basin | -16.6667 | -174.5167 | 1820 | 2004 plume only; 2006 plume and chimney samples; 2009 camera tow and sampling (activity not confirmed) |
| FRSC, T12A-01 | active, inferred | back-arc spreading center | Lau Basin | -17.7850 | -174.5260 | 500 | 2012 plume only |
| Gamble volcanic center | active, inferred | arc volcano | Kermadec Arc | -27.2000 | -177.4100 | 250 | 2004 plume and dredging NZAPLUME III expedition |
| Gemini-Oscostar Volcanic Complex | active, inferred | arc volcano | New Hebrides Arc | -20.9830 | 170.2830 | 100 | 2001 deposits and plume; 2004 plume and sulfide samples |
| Giggenbach volcano | active, confirmed | arc volcano | Kermadec Arc | -30.0333 | -178.7167 | 180 | 2005 submersible PISCES V; 2002 plume only |
| Grover Seamount | active, confirmed | arc volcano | Solomons Arc | -10.4667 | 164.2500 | 600 | 2002 towed video |
| Haungaroa | active, inferred | arc volcano | Kermadec Arc | -32.6060 | -179.6090 | 1165 | 2002 plume only |
| Havre | active, confirmed | arc volcano | Kermadec Arc | -31.0970 | -179.0340 | 1505 | 2015 ROV Jason II; 2002 plume only |
| Healy volcano | active, confirmed | arc volcano | Kermadec Arc | -34.9840 | 178.9990 | 1370 | 2005 submersible Pisces V; 1999 plume only |
| Hine Hina | active, confirmed | back-arc spreading center | Lau Basin | -22.5300 | -176.6970 | 1900 | 1989 submersible Nautile |
| Hinepuia volcanic center | active, confirmed | arc volcano | Kermadec Arc | -26.3900 | -177.2600 | 300 | 2013 HOV Shinkai 6500; 2004 plume and dredging NZAPLUME III expedition |
| Hinetapeka volcanic center | active, inferred | arc volcano | Kermadec Arc | -28.5900 | -177.8200 | 300 | 2004 plume and dredging NZAPLUME III expedition |
| Kana Keoki seamount | active, inferred | arc volcano | Solomons Arc | -8.7500 | 157.0300 | 650 | 1993 observations did not confirm activity |
| Kavachi submarine volcano | active, inferred | arc volcano | Solomons Arc | -8.9833 | 157.9667 | 500 | 2000 plume only |
| Kibblewhite | active, inferred | arc volcano | Kermadec Arc | -34.5750 | 179.2550 | 1106 | 2002 plume only |
| Kilo Moana | active, confirmed | back-arc spreading center | Lau Basin | -20.0532 | -176.1336 | 2620 | 2004 AUV ABE; 2004 plume only on previous cruise |
| Komba-ridge | active, inferred | arc volcano | Banda/Sunda Arc | -7.9800 | 123.8000 | 1000 | 2001 CTD temperature anomaly and dredged sulfides |
| Krakatau | active, inferred | arc volcano | Banda/Sunda Arc | -6.1020 | 105.4230 | 250 | 2002 CTD/transmissometer and dredge only |
| Kuiwai | active, inferred | arc volcano | Kermadec Arc | -33.1560 | -179.9560 | 630 | 2002 plume only |
| Kulo Lasi | active, confirmed | back-arc spreading center | Lau Basin | -14.9200 | -177.2500 | 1478 | 2010 submersible Nautile |
| Kuwae submarine caldera | active, inferred | arc volcano | New Hebrides Arc | -16.8300 | 168.5300 | 484 | 2001 plume and inconclusive grab samples |
| Lobster | active, inferred | back-arc spreading center | Lau Basin | -15.3330 | -176.2830 | 1500 | 2008 plume and dredge only |
| Luise Harbor, Lihir Island | active, confirmed | arc volcano | Tabar-Feni Arc | -3.1167 | 152.6500 | 30 | 1990 or earlier |
| Macauley Caldera | active, confirmed | arc volcano | Kermadec Arc | -30.2140 | -178.7210 | 500 | 2002 towed camera TAN0205 cruise |
| Macdonald Seamount | active, confirmed | intra-plate volcano | Central Pacific | -28.9833 | -140.2500 | 150 | 1989 submersible Cyana |
| Maka | active, confirmed | back-arc spreading center | Lau Basin | -15.4217 | -174.2850 | 1660 | 2008 commercial ROV; 2004 plume only; 2006 plume and chimney samples |
| Manuk Island | active, confirmed | arc volcano | Banda/Sunda Arc | -5.5300 | 130.2920 | 2 | |
| Mariner | active, confirmed | back-arc spreading center | Lau Basin | -22.1800 | -176.6017 | 1910 | 2003 plume and camera tow; 2004 submersible Shinkai 6500 |
| Mata Fa | active, inferred | arc volcano | Lau Basin | -14.9833 | -173.8000 | 2600 | 2010 plume only |
| Mata Fitu | active, confirmed | arc volcano | Lau Basin | -14.9166 | -173.7833 | 2750 | 2010 towed camera |
| Mata Nima | inactive | arc volcano | Lau Basin | -14.9583 | -173.7833 | 2670 | 2010 no plume detected |
| Mata Ono | active, inferred | arc volcano | Lau Basin | -14.9333 | -173.7916 | 2600 | 2010 plume only |
| Mata Taha | active, inferred | arc volcano | Lau Basin | -15.0416 | -173.7833 | 2160 | 2010 plume only |
| Mata Tolu | active, confirmed | arc volcano | Lau Basin | -15.0049 | -173.7936 | 1900 | 2010 towed camera; 2009 plume and dredge only |
| Mata Ua | active, confirmed | arc volcano | Lau Basin | -15.0166 | -173.7833 | 2397 | 2012 ROV Quest 4000; 2010 plume only (towed camera did not confirm) |
| Matupi Harbour, Rabaul caldera, New Britain Island | active, confirmed | arc volcano | Bismarck Arc | -4.2700 | 152.2000 | 30 | 1961 or earlier intertidal |
| Misiteli | active, confirmed | back-arc spreading center | Lau Basin | -22.4700 | -176.7030 | 2050 | 2008 commercial ROV; 2003 plume only |
| Momoko | active, inferred | back-arc spreading center | Lau Basin | -22.6400 | -176.7210 | 2180 | 1989 submersible Nautile |
| Monowai Caldera | active, confirmed | arc volcano | Tonga Arc | -25.8000 | -177.1500 | 1165 | 2005 with submersibles PISCES IV and PISCES V and ROV RCV-150; 2004 plume only |
| Monowai Cone | active, inferred | arc volcano | Tonga Arc | -25.8870 | -177.1880 | 150 | 1998 R/V Sonne SO-135; 2004 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 |
| MTJ, T08C01 | active, inferred | back-arc spreading center | Lau Basin | -15.9629 | -174.7961 | 2400 | 2008 plume only |
| MTJ, T08C03 and T08C04 | active, inferred | back-arc spreading center | Lau Basin | -15.6100 | -174.8200 | 2300 | 2008 plume only |
| MTJ, T08C03, 15.72 S | active, inferred | back-arc spreading center | Lau Basin | -15.7186 | -174.8338 | 2400 | 2008 plume only |
| MTJ, T08C05 | active, inferred | back-arc spreading center | Lau Basin | -15.5134 | -174.7407 | 2100 | 2008 plume only |
| MTJ, V12A-04 | active, inferred | back-arc spreading center | Lau Basin | -15.9540 | -174.7110 | 1330 | 2012 plume only |
| Mussel Valley | active, confirmed | back-arc spreading center | North Fiji Basin | -18.8167 | 173.4833 | 2700 | 1989 submersible Nautile; 1987 plume; 1988 towed camera did not confirm activity |
| N-ELSC, plume 22 | active, inferred | back-arc spreading center | Lau Basin | -20.4000 | -176.1580 | 2700 | 2004 plume only |
| N-ELSC, plume 25 | active, inferred | back-arc spreading center | Lau Basin | -19.8900 | -176.0640 | 2680 | 2004 plume only |
| N-ELSC, plume 26 | active, inferred | back-arc spreading center | Lau Basin | -19.8200 | -176.0420 | 2600 | 2004 plume only |
| N-ELSC, plume 27 | active, inferred | back-arc spreading center | Lau Basin | -19.7500 | -176.0190 | 2570 | 2004 plume only; 2009 plume only |
| N-ELSC, plume 28 | active, inferred | back-arc spreading center | Lau Basin | -19.6500 | -175.9890 | 2550 | 2004 plume only |
| N-ELSC, plume 29 | active, inferred | back-arc spreading center | Lau Basin | -19.6000 | -175.9750 | 2700 | 2004 plume only |
| NE Pual | active, confirmed | back-arc spreading center | Manus Basin | -3.6754 | 151.7272 | 1875 | 2006 ROV Jason II |
| NELSC, T08C09 and T08C18 | active, inferred | back-arc spreading center | Lau Basin | -15.4030 | -174.2630 | 1800 | 2008 plume only |
| NELSC, T08C12 | active, inferred | back-arc spreading center | Lau Basin | -15.2179 | -174.1788 | 2000 | 2008 plume only |
| New World Seamount | active, inferred | arc volcano | Tabar-Feni Arc | -2.8333 | 152.5333 | 1200 | 2000 or earlier (cruise FR04/00 implies that they already suspected hydrothermal activity); 1994 seamount discovered |
| Ngatoroirangi | active, inferred | arc volcano | Kermadec Arc | -33.7310 | 179.8250 | 467 | 2002 plume only |
| Nifonea Ridge | active, confirmed | back-arc spreading center | New Hebrides back-arc | -18.1330 | 169.5170 | 1900 | 2001 towed video; 2013 ROV Kiel 6000 black smokers |
| Niua North | active, confirmed | arc volcano | Tonga Arc | -15.0667 | -173.5667 | 1375 | 2012 ROV Quest 4000; 2008 plume only |
| Niua South | active, confirmed | arc volcano | Tonga Arc | -15.1650 | -173.5700 | 1180 | 2008 commercial ROV |
| Niuatahi | active, confirmed | back-arc spreading center | Lau Basin | -15.3790 | -174.0196 | 1635 | 2009 ROV Jason II; 2003 plume only; 2004 dredging (SS11/2004 cruise); 2005 plume only; 2008 commercial ROV (report does not confirm activity) |
| Nolan's Nook | active, confirmed | mid-ocean ridge | S EPR | -31.1500 | -111.9167 | 2330 | 1999 submersible Alvin; 1998 plume only |
| NWLSC, Central Caldera | active, inferred | back-arc spreading center | Lau Basin | -15.8000 | -177.2666 | 2200 | 2008 plume and dredge only |
| NWLSC, Southern Caldera | active, inferred | back-arc spreading center | Lau Basin | -15.9000 | -177.4166 | 2160 | 2008 plume only |
| PACMANUS field | active, confirmed | back-arc spreading center | Manus Basin | -3.7250 | 151.6700 | 1800 | 1991 deep-tow camera and video; 1995 submersible Shinkai 6500 |
| Peggy Ridge | active, inferred | back-arc spreading center | Lau Basin | -16.9233 | -176.8250 | 1900 | 1975 or earlier rock samples only; inactive in systematic survey on Arculus cruise SS07/2008 |
| 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 |
| Pito Seamount | active, confirmed | mid-ocean ridge | S EPR | -23.3275 | -111.6402 | 2270 | 1993 submersible Nautile |
| Prony Bay | active, confirmed | other | -22.3333 | 166.8333 | 50 | 1979 or earlier, likely SCUBA | |
| Putoto volcanic center | active, inferred | arc volcano | Kermadec Arc | -27.6800 | -177.6100 | 700 | 2004 plume and dredging NZAPLUME III expedition |
| Rakahore volcanic center | active, inferred | arc volcano | Kermadec Arc | -26.8100 | -177.4000 | 1200 | 2004 plume and dredging NZAPLUME III expedition |
| Rapa Nui | active, confirmed | mid-ocean ridge | S EPR | -21.5620 | -114.3000 | 2845 | 1999 submersible Alvin; 1987-1988 deposits only |
| Rehu-Marka | active, confirmed | mid-ocean ridge | S EPR | -17.4333 | -113.2000 | 2590 | 1993 submersible Nautile; 1984 submersible Cyana - Auzende et al. (1996) says that no active black smokers were discovered but Krasnov et al. (1997) says one black smoker observed |
| Rumble II West | active, inferred | arc volcano | Kermadec Arc | -35.3600 | 178.5170 | 1500 | 1996 dredging only; 1999 plume only |
| Rumble III volcano | active, confirmed | arc volcano | Kermadec Arc | -35.7333 | 178.4667 | 380 | 2000 towed camera; 1999 plume only |
| Rumble V volcano | active, confirmed | arc volcano | Kermadec Arc | -36.1333 | 178.1833 | 755 | 2001 towed camera; 1999 plume and dredged mussel shells |
| Saguaro Field | active, confirmed | mid-ocean ridge | S EPR | -31.8500 | -112.0333 | 2330 | 1999 submersible Alvin; 1998 plume only |
| San Cristobal arc, Target M | active, inferred | arc volcano | Solomons Arc | -10.4000 | 164.7500 | 2000 | 2002 plume and dredge only |
| San Cristobal arc, Target N | active, inferred | arc volcano | Solomons Arc | -10.5000 | 164.0000 | 2000 | 2002 dredge only |
| Sangeang Island | active, confirmed | arc volcano | Banda/Sunda Arc | -8.1300 | 119.0900 | 2 | 1991 or earlier, from beach |
| seamount, Tikopia area | active, inferred | arc volcano | New Hebrides Arc | -12.5433 | 167.7883 | 1425 | 1991 submersible Cyana |
| Si'iSi'i | active, confirmed | back-arc spreading center | Lau Basin | -22.2900 | -176.6290 | 1950 | 2008 commercial ROV; 2003 plume only |
| Solwara 11 | active, confirmed | back-arc spreading center | Manus Basin | -3.1667 | 147.1917 | 1500 | 2008 commercial ROV; 2000 submersible Nautile did not confirm activity |
| Solwara 12 | inactive | back-arc spreading center | Manus Basin | -3.7086 | 151.8834 | 1920 | 2009 commercial ROV Fugro FV300 inactive |
| Solwara 13 | active, confirmed | back-arc spreading center | Manus Basin | -3.7320 | 151.7465 | 2000 | 2009 commercial ROV Fugro FV300; 1993 plume only |
| Solwara 16 | active, inferred | back-arc spreading center | Manus Basin | -3.4380 | 149.9670 | 2163 | 2009 commercial ROV Fugro FV300 (activity not confirmed) |
| 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 |
| Solwara 18 | active, inferred | back-arc spreading center | Manus Basin | -3.0760 | 147.2390 | 1308 | 2008 plumes with some sites subsequently observed with ROV; 2009 commercial ROV Fugro FV300 (activity not confirmed) |
| Solwara 19 | active, inferred | back-arc spreading center | Manus Basin | -3.6660 | 148.7640 | 1039 | 2009 commercial ROV Fugro FV300 (activity not confirmed) |
| Sonne | active, inferred | arc volcano | Kermadec Arc | -34.0580 | 179.5890 | 1127 | 2002 plume only |
| Sonne 99 | active, confirmed | back-arc spreading center | North Fiji Basin | -16.9500 | 173.9167 | 1980 | 1995 deep tow video and TV-grab |
| Stanton Seamount | active, confirmed | arc volcano | New Hebrides Arc | -10.8670 | 166.7000 | 800 | 2002 towed video |
| Starfish Seamount, Tinakula | active, confirmed | back-arc spreading center | New Hebrides back-arc | -12.2028 | 167.6139 | 1204 | 2011 commercial ROV; 1989 plume only; 1989 towed camera survey did not confirm activity; 2002 plume and dredge only |
| Station 58, N160 Axis | active, inferred | back-arc spreading center | North Fiji Basin | -16.3167 | 173.5500 | 3900 | 1985 plume only; 1991 temperature anomalies but submersible Shinkai 6500 did not confirm activity |
| Stealth | active, confirmed | mid-ocean ridge | S EPR | -17.6167 | -113.2330 | 2600 | 1996 Argo II towed video; 1993 plume only; 1998 submersible Alvin |
| SuSu Knolls | active, confirmed | back-arc spreading center | Manus Basin | -3.8000 | 152.1000 | 1520 | 1996 towed camera/video; 1993 plume only |
| Tafu | active, confirmed | back-arc spreading center | Lau Basin | -15.3833 | -174.2500 | 1400 | 2008 or 2009 commercial ROV; 2008 plume only; 2009 ROV Jason II |
| Tahi Moana 1 | active, confirmed | back-arc spreading center | Lau Basin | -20.6900 | -176.1800 | 2256 | 2008 commercial ROV; 2004 plume only |
| Tahi Moana 2 | active, confirmed | back-arc spreading center | Lau Basin | -21.9200 | -176.5330 | 1870 | 1989 submersible Nautile (need reference to check if activity confirmed); 2004 plume only; 2008 commercial ROV (report does not confirm activity) |
| Tahi Moana 7 | active, inferred | back-arc spreading center | Lau Basin | -15.3300 | -174.2500 | 1940 | 2004 plume only; 2008 plume only; 2009 video camera tow (activity not confirmed) |
| Tangaroa volcano | active, confirmed | arc volcano | Kermadec Arc | -36.3250 | 178.0333 | 890 | 2012 likely towed video or TV grab; 1999 plume only |
| Teahitia seamount | active, confirmed | intra-plate volcano | Central Pacific | -17.5670 | -148.8167 | 1460 | 1983 submersible Cyana |
| TELVE | active, confirmed | back-arc spreading center | Lau Basin | -22.1667 | -176.6040 | 1760 | 2008 commercial ROV; 2003 plume only |
| Temakons | active, confirmed | back-arc spreading center | New Hebrides back-arc | -17.5667 | 169.1000 | 1400 | 1994 towed camera with temperature |
| Tonga Arc, Volcano 1 | active, confirmed | arc volcano | Tonga Arc | -21.1500 | -175.7500 | 210 | 2005 with submersibles PISCES IV and PISCES V and ROV RCV-150; 2003 plume and dredge only |
| Tonga Arc, Volcano 14 | active, inferred | arc volcano | Tonga Arc | -23.5750 | -176.7050 | 985 | 2003 plume and dredge only |
| Tonga Arc, Volcano 15 | active, inferred | arc volcano | Tonga Arc | -23.9000 | -176.7800 | 1400 | 2003 plume only |
| Tonga Arc, Volcano 16 | active, inferred | arc volcano | Tonga Arc | -24.1883 | -176.8217 | 1400 | 2003 plume and dredge only |
| Tonga Arc, Volcano 18 | active, confirmed | arc volcano | Tonga Arc | -24.5850 | -176.9170 | 1465 | 2011 ROV MAGNUM; 2003 plume and dredge only |
| Tonga Arc, Volcano 19 | active, confirmed | arc volcano | Tonga Arc | -24.8000 | -177.0167 | 970 | 2005 with submersibles PISCES IV and PISCES V and ROV RCV-150; 2003 plume and dredge only |
| Tonga Arc, Volcano 4 | active, inferred | arc volcano | Tonga Arc | -22.0670 | -176.2080 | 200 | 2003 plume and dredge only |
| Tonga Arc, Volcano 8 | active, inferred | arc volcano | Tonga Arc | -22.8433 | -176.4317 | 240 | 2003 plume and dredge only |
| Tonga Arc, Volcano A | active, inferred | arc volcano | Tonga Arc | -20.8600 | -175.5500 | 700 | 2004 plume only |
| Tonga Arc, Volcano C | active, inferred | arc volcano | Tonga Arc | -20.1800 | -175.2000 | 1050 | 2004 SS11/2004 cruise did not detect hydrothermal activity |
| Tonga Arc, Volcano D | active, inferred | arc volcano | Tonga Arc | -19.4500 | -174.9167 | 760 | 2004 plume only |
| Tonga Arc, Volcano J1 | active, inferred | arc volcano | Tonga Arc | -17.2400 | -173.9500 | 560 | 2004 plume only |
| Tow Cam | active, confirmed | back-arc spreading center | Lau Basin | -20.3169 | -176.1367 | 2700 | 2004 AUV ABE; 2004 plume only on previous cruise |
| Tripartite Ridge, south of TR1 | inactive | back-arc spreading center | North Fiji Basin | -14.5000 | 177.0000 | 3000 | NotProvided |
| Tripartite Ridge, south of TR3 | inactive | back-arc spreading center | North Fiji Basin | -14.0745 | 175.4729 | 3000 | NotProvided |
| Tu'i Malila | active, confirmed | back-arc spreading center | Lau Basin | -21.9876 | -176.5678 | 1870 | 2005 ROV Jason II; 2004 plume only |
| Tutum Bay, Ambitle Island | active, confirmed | arc volcano | Tabar-Feni Arc | -4.0833 | 153.5500 | 10 | 1996 or earlier, likely by SCUBA |
| Vai Lili | active, confirmed | back-arc spreading center | Lau Basin | -22.2151 | -176.6083 | 1764 | 1989 submersible Nautile |
| Vailulu'u Seamount | active, confirmed | intra-plate volcano | Central Pacific | -14.2167 | -169.0667 | 1000 | 2005 submersible Pisces V; 2000 plume only |
| VFR, ELSC7 | active, inferred | back-arc spreading center | Lau Basin | -22.8833 | -176.7500 | 2050 | 2009 plume and dredge only |
| VFR, plume 12 | active, inferred | back-arc spreading center | Lau Basin | -21.7300 | -176.4530 | 1910 | 2004 plume only |
| VFR, plume 3 | active, inferred | back-arc spreading center | Lau Basin | -22.4000 | -176.6790 | 1980 | 2004 plume only |
| VFR, plume 4 | active, inferred | back-arc spreading center | Lau Basin | -22.3400 | -176.6590 | 1700 | 2004 plume only |
| VFR, unnamed | active, inferred | back-arc spreading center | Lau Basin | -22.5150 | -176.6500 | 1970 | 2004 plume only |
| Vienna Woods | active, confirmed | back-arc spreading center | Manus Basin | -3.1667 | 150.2833 | 2500 | 1990 TV-grab (also same year, sampled by submersible Mir); 1985 (or 1986) camera tow vent fauna and inactive chimneys |
| Vienna Woods, Hydrothermal Field 4 | active, confirmed | back-arc spreading center | Manus Basin | -3.3712 | 150.0360 | 2240 | 1990 TV-grab |
| Vulkanolog | active, confirmed | arc volcano | Kermadec Arc | -30.6870 | -178.4530 | 130 | 1979 and 1998 (need to check references); 2002 plume not detected NZAPLUME II |
| West Fiji Ridge | active, inferred | back-arc spreading center | North Fiji Basin | -17.0000 | 176.0000 | 3000 | 1995 deep tow |
| West Mata submarine volcano | active, confirmed | arc volcano | Tonga Arc | -15.0950 | -173.7500 | 1208 | 2009 ROV Jason II; 2008 eruption plume detected |
| western Manus Basin, Bismarck Sea | inactive | back-arc spreading center | Manus Basin | -3.0000 | 147.0000 | 1800 | NotProvided |
| Whale Island | active, confirmed | back-arc spreading center | Taupo Volcanic Zone | -37.8600 | 176.9800 | 42 | 1990 or earlier, likely by SCUBA |
| White Church | active, confirmed | back-arc spreading center | Lau Basin | -21.9612 | -176.5234 | 1960 | 1989 submersible Nautile; 2004 plume survey |
| White Island | active, confirmed | back-arc spreading center | Taupo Volcanic Zone | -37.5191 | 177.1953 | 30 | 1989 or earlier, likely SCUBA |
| White Lady | active, confirmed | back-arc spreading center | North Fiji Basin | -16.9833 | 173.9167 | 2000 | 1988 towed camera and plume; 1989 submersible Nautile |
| Woodlark Basin, Segment 3B | active, inferred | back-arc spreading center | Woodlark Basin | -9.8000 | 155.0667 | 3300 | 2009 plume only |
| Woodlark Basin, Segment 5B | active, inferred | back-arc spreading center | Woodlark Basin | -9.2540 | 156.1910 | 3550 | 1986 plume only; 2000 plume only |
| Wright volcanic center | active, confirmed | arc volcano | Kermadec Arc | -31.8500 | -179.1880 | 1165 | 2005 submersible PISCES V; 2004 plume NZAPLUME III cruise |
