Vent Fields

Welcome to the InterRidge Global Database of Active Submarine Hydrothermal Vent Fields (the “InterRidge Vents Database”).
To sort the list of Vent Fields, click on a column header.
To view details for a specific Vent Field, click on the Name ID.
To view the subset of Vent Fields that contain a specific category, click on the category (for example, "active, confirmed" in the "Activity" column).

Vent Field Name IDsort descending Activity Tectonic Setting Region Latitude Longitude Maximum or Single Reported Depth Year and How Discovered
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
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
Nishi-Shichito Ridge inactive arc volcano Izu-Bonin Arc 31.3667 138.7500 1600 NotProvided
Nishinoshima Island active, inferred arc volcano Izu-Bonin Arc 27.2367 140.8783 5 1975 SCUBA
Nisiros active, confirmed arc volcano Hellenic Arc, Aegean Sea 36.5600 27.1400 18 1994 or earlier, likely by SCUBA
Niua North active, confirmed arc volcano Tonga Arc -15.0667 -173.5667 800 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
North Cleft, high temperature active, confirmed mid-ocean ridge JdF Ridge 44.9800 -130.2000 2300 1987 camera/CTD tows discovered low-temperature vents; 1988 submersible Alvin sampled low-temperature vents; 1990 submersible Alvin discovered black smoker
North Cleft, low temperature active, confirmed mid-ocean ridge JdF Ridge 44.8833 -130.2667 2250 1987-1989 camera/CTD tows
North FAMOUS active, inferred mid-ocean ridge N MAR 36.9670 -32.9670 2500 1994 plume only
North Knoll, Iheya Ridge active, confirmed back-arc spreading center Okinawa Trough 27.7908 126.8966 1100 1995 deep tow survey
Northwest Eifuku active, confirmed arc volcano Mariana Arc 21.4850 144.0430 1604 2004 ROV ROPOS; 2003 plume only
Northwest Rota-1 volcano active, confirmed arc volcano Mariana Arc 14.6010 144.7750 599 2004 ROV ROPOS; 2003 plume only
Not Dead Yet active, confirmed mid-ocean ridge JdF Ridge 46.6899 -129.3772 2419 2007 ROV Jason II; 1991 camera tow did not confirm activity
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
Okinawa Trough, Site ES1 active, inferred back-arc spreading center Okinawa Trough 30.3303 129.0827 521 1992 dredge only
Okinawa Trough, Site ES2 active, inferred back-arc spreading center Okinawa Trough 28.8137 128.1028 779 1992 dredge only
Omuro Hole active, confirmed arc volcano Izu-Bonin Arc 34.5467 139.4417 200 2012 ROV Hyper-Dolphin
Owen transform fault inactive mid-ocean ridge Carlsberg Ridge 9.8333 57.9500 4500 NotProvided
Pacific-Antarctic Ridge, 60 S segment active, inferred mid-ocean ridge Pacific-Antarctic Ridge -60.0000 -152.0000 2300 2009 plume only
Pacific-Antarctic Ridge, 64 S segment active, inferred mid-ocean ridge Pacific-Antarctic Ridge -64.5000 -170.0000 2300 2009 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
Palinuro active, confirmed arc volcano Aeolian Arc, Tyrrhenian Sea 39.5500 14.7000 1000 2006 ROV Cherokee; 1968 manganese crust only; 1984 deposits only; 1993 TV profile did not confirm
Panarea active, confirmed arc volcano Aeolian Arc, Tyrrhenian Sea 38.6583 15.1000 200 1800's shallow vents; 1995 deeper vents ROV Comex
Paramushir Island inactive arc volcano Kuril Arc 50.3300 155.5000 800 NotProvided
Parece Vela Ridge, Philippine Sea inactive back-arc spreading center Parece Vela Basin 16.0000 139.1667 5000 NotApplicable
Pegasus active, confirmed mid-ocean ridge Galapagos Rift 0.7500 -88.2000 2000 2011 ROV Little Hercules

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