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 ascending Activity Tectonic Setting Region Latitude Longitude Maximum or Single Reported Depth Year and How Discovered
Okinawa Trough, Site ES1 active, inferred back-arc spreading center Okinawa Trough 30.3303 129.0827 521 1992 dredge only
NWLSC, Southern Caldera active, inferred back-arc spreading center Lau Basin -15.9000 -177.4166 2160 2008 plume only
NWLSC, Central Caldera active, inferred back-arc spreading center Lau Basin -15.8000 -177.2666 2200 2008 plume and dredge 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
Northwest Rota-1 volcano active, confirmed arc volcano Mariana Arc 14.6010 144.7750 599 2004 ROV ROPOS; 2003 plume only
Northwest Eifuku active, confirmed arc volcano Mariana Arc 21.4850 144.0430 1604 2004 ROV ROPOS; 2003 plume only
North Knoll, Iheya Ridge active, confirmed back-arc spreading center Okinawa Trough 27.7908 126.8966 1100 1995 deep tow survey
North FAMOUS active, inferred mid-ocean ridge N MAR 36.9670 -32.9670 2500 1994 plume only
North Cleft, low temperature active, confirmed mid-ocean ridge JdF Ridge 44.8833 -130.2667 2250 1987-1989 camera/CTD tows
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
Nolan's Nook active, confirmed mid-ocean ridge S EPR -31.1500 -111.9167 2330 1999 submersible Alvin; 1998 plume only
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)
Niua South active, confirmed arc volcano Tonga Arc -15.1650 -173.5700 1180 2008 commercial ROV
Niua North active, confirmed arc volcano Tonga Arc -15.0667 -173.5667 1375 2012 ROV Quest 4000; 2008 plume only
Nisiros active, confirmed arc volcano Hellenic Arc, Aegean Sea 36.5600 27.1400 18 1994 or earlier, likely by SCUBA
Nishinoshima Island active, inferred arc volcano Izu-Bonin Arc 27.2367 140.8783 5 1975 SCUBA
Nishi-Shichito Ridge inactive arc volcano Izu-Bonin Arc 31.3667 138.7500 1600 NotProvided
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
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
Nibelungen active, confirmed mid-ocean ridge S MAR -8.3000 -13.5200 2900 2006 AUV ABE followed by ROV Quest; 2004 plume only
Ngatoroirangi active, inferred arc volcano Kermadec Arc -33.7310 179.8250 467 2002 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
NESCA active, confirmed mid-ocean ridge Gorda Ridge 41.0000 -127.4917 3300 1988 submersible Alvin; 1986 dredge and photographs did not confirm activity
Nereus Deep active, inferred mid-ocean ridge Red Sea 23.1670 37.2830 2400 1972 deposits 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
NELSC, T08C12 active, inferred back-arc spreading center Lau Basin -15.2179 -174.1788 2000 2008 plume only
NELSC, T08C09 and T08C18 active, inferred back-arc spreading center Lau Basin -15.4030 -174.2630 1800 2008 plume only
near Jade Emperor Mountain, on-axis active, inferred mid-ocean ridge SWIR -37.8666 49.2166 3000 2010 plume only
NE Pual active, confirmed back-arc spreading center Manus Basin -3.6754 151.7272 1875 2006 ROV Jason II
NE Anatahan submarine volcano active, inferred arc volcano Mariana Arc 16.3750 145.7250 460 2003 multibeam and sidescan sonar only

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