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
Medusa active, confirmed mid-ocean ridge N EPR 9.1404 -104.2065 2580 2007 ROV Jason II; 1991 plume only
Menez Gwen active, confirmed mid-ocean ridge N MAR 37.8417 -31.5250 865 1994 submersible Nautile
Menez Hom active, confirmed mid-ocean ridge N MAR 37.1500 -32.4333 1802 2002 ROV Victor 6000
Merian active, inferred mid-ocean ridge S MAR -26.0166 -13.8500 2624 2012 R/V Dayang Yihao; 2013 AUV Abyss (may have confirmed activity)
MESO Zone inactive mid-ocean ridge CIR -23.3927 69.2422 2850 1993 TV grab and water column measurements
Methana active, confirmed arc volcano Hellenic Arc, Aegean Sea 37.6150 23.3360 10 nearshore: since antiquity; offshore: 1997 SCUBA
Middle Valley, Bent Hill Massive Sulfide inactive mid-ocean ridge JdF Ridge 48.4500 -128.6783 2400 1985 deposits only
Middle Valley, Dead Dog Vent Field active, confirmed mid-ocean ridge JdF Ridge 48.4567 -128.7083 2450 1992 or earlier towed video
Middle Valley, ODP Mound active, confirmed mid-ocean ridge JdF Ridge 48.4300 -128.6816 2440 1992 or earlier towed video
Milos active, confirmed arc volcano Hellenic Arc, Aegean Sea 36.6667 24.5167 200 1987 or earlier, likely by SCUBA; 1992 Minirover ROV deeper sites
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
Minami-Hiyoshi submarine volcano active, confirmed arc volcano Mariana Arc 23.4970 141.9400 80 2005 ROV HyperDolphin
Misiteli active, confirmed back-arc spreading center Lau Basin -22.4700 -176.7030 2050 2008 commercial ROV; 2003 plume only
Mohns Ridge, 72 N active, inferred mid-ocean ridge Mohns Ridge 71.9583 -0.7083 2600 1987 plume only; 2013 plume only
Mokuyo Seamount active, confirmed arc volcano Izu-Bonin Arc 28.3200 140.5800 1200 1990 submersible Shinkai 2000
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
Montserrat Offshore Springs active, confirmed arc volcano Lesser Antilles Arc 16.7100 -62.2300 10 1996 or earlier (assume SCUBA)
Montserrat-Marie Galante fault active, inferred arc volcano Lesser Antilles Arc 16.4600 -61.9820 1000 1987 plume and deposits
Mothra Field active, confirmed mid-ocean ridge JdF Ridge 47.9230 -129.1090 2270 1996 ROV ROPOS; 1986 plume only
Mounds and Microbes active, confirmed mid-ocean ridge N EPR 9.4500 -104.5383 2950 2002 submersible Alvin; 1994 submersible Alvin did not confirm activity
Mount Jourdanne inactive mid-ocean ridge SWIR -27.8500 63.9333 2940 1998 submersible Shinkai 6500
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
MTJ, PAPATUA active, inferred back-arc spreading center Lau Basin -15.3333 -174.6667 2100 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, t08c02 active, inferred back-arc spreading center Lau Basin -15.8311 -174.8443 2600 2008 plume only
MTJ, t08c03, 15.63 S active, inferred back-arc spreading center Lau Basin -15.6330 -174.8248 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, t08c03, 15.78 S active, inferred back-arc spreading center Lau Basin -15.7804 -174.8418 2500 2008 plume only

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