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 ID Activitysort ascending Tectonic Setting Region Latitude Longitude Maximum or Single Reported Depth Year and How Discovered
Kos active, confirmed arc volcano Hellenic Arc, Aegean Sea 36.8500 27.2500 10 1983 or earlier, likely by SCUBA
Magic Mountain active, confirmed mid-ocean ridge Explorer Ridge 49.7500 -130.2667 1850 1984 submersible Pisces IV
Moytirra active, confirmed mid-ocean ridge N MAR 45.4833 -27.8500 2900 2011 ROV Holland 1; 2008 plume only MAPRs, ROV Isis buoyant plume, but no visual confirmation
Source active, confirmed mid-ocean ridge JdF Ridge 46.1550 -129.8100 2055 1993 submersible Alvin
Franklin Seamount active, confirmed back-arc spreading center Woodlark Basin -9.9083 151.8300 2366 1990 submersible Mir
Natsushima 84-1 Knoll active, confirmed back-arc spreading center Okinawa Trough 27.5750 127.1417 1600 1986 submersible Shinkai 2000
Von Damm active, confirmed mid-ocean ridge Mid-Cayman Rise 18.3777 -81.7972 2372 2010 AUV Autosub6000 and HyBIS TVG; 2009 plume only
Espalamaca active, confirmed intra-plate volcano 38.5500 -28.6000 50 2010 or earlier likely SCUBA
Doyo Seamount active, confirmed arc volcano Izu-Bonin Arc 27.6833 140.8167 520 1990 submersible Shinkai 2000
Jaco Scar active, confirmed arc volcano Costa Rica fore arc 9.1175 -84.8397 1790 2009 submersible Alvin
Snake Pit active, confirmed mid-ocean ridge N MAR 23.3683 -44.9500 3500 1985 real-time TV and imaging sonar; earlier in 1985 seafloor photographs did not confirm activity
Ashadze-2 active, confirmed mid-ocean ridge N MAR 12.9917 -44.9067 3300 2007 ROV Victor 6000; 2005 TV profiling, plume, and dredge did not confirm activity
Steinaholl Vent Field active, confirmed mid-ocean ridge Reykjanes Ridge 63.1000 -24.5333 350 1990 plume, echosounding, and towed video; 1993 plume only (included echosounding for more precise location)
Rumble III volcano active, confirmed arc volcano Kermadec Arc -35.7333 178.4667 380 2000 towed camera; 1999 plume only
Northwest Eifuku active, confirmed arc volcano Mariana Arc 21.4850 144.0430 1604 2004 ROV ROPOS; 2003 plume 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
Sangeang Island active, confirmed arc volcano Banda/Sunda Arc -8.1300 119.0900 2 1991 or earlier, from beach
EPR, 26.5 S active, confirmed mid-ocean ridge S EPR -26.4833 -112.6250 2064 1993 submersible Nautile (or earlier)
Pegasus active, confirmed mid-ocean ridge Galapagos Rift 0.7500 -88.2000 2000 2011 ROV Little Hercules
West Mata submarine volcano active, confirmed arc volcano Tonga Arc -15.0950 -173.7500 1208 2009 ROV Jason II; 2008 eruption plume detected
Luso active, confirmed mid-ocean ridge N MAR 38.9833 -29.8833 570 2018 ROV Luso
Minami-Hiyoshi submarine volcano active, confirmed arc volcano Mariana Arc 23.4970 141.9400 80 2005 ROV HyperDolphin
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
Maug Caldera active, confirmed arc volcano Mariana Arc 20.0200 145.2200 145 2003 SCUBA shallow vents; 2004 ROV ROPOS deeper vents; 2003 plume only deeper vents
Evan active, confirmed mid-ocean ridge N MAR 37.2667 -32.2833 1775 2006 submersible Nautile
EPR, 9 47'N active, confirmed mid-ocean ridge N EPR 9.7750 -104.2802 2560 1989 Argo I towed video; 1991 submersible Alvin
Irabu Knoll active, confirmed back-arc spreading center Okinawa Trough 25.2300 124.8800 1850 2000 submersible Shinkai 6500; 1986 seafloor photos did not confirm activity
Aegir active, confirmed mid-ocean ridge Mohns Ridge 72.3440 1.5550 2600 2015 ROV Ægir 6000; 2013 plume only; 2015 AUV
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
South Cleft active, confirmed mid-ocean ridge JdF Ridge 44.6667 -130.3667 2250 1981 deep-tow photographs; 1984 submersible Alvin

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