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 |
---|---|---|---|---|---|---|---|
Bataan | active, inferred | arc volcano | Luzon/Bicol Arc | 20.0000 | 122.0000 | 2002 or earlier some indications of activity | |
Zealandia | active, inferred | arc volcano | Mariana Arc | 16.8800 | 145.8500 | 144 | 2003 plume only; 2009 or earlier ROV did not confirm activity |
Mokuyo Seamount | active, confirmed | arc volcano | Izu-Bonin Arc | 28.3200 | 140.5800 | 1200 | 1990 submersible Shinkai 2000 |
Kasuga 3 Seamount | active, confirmed | arc volcano | Mariana Arc | 21.3833 | 143.6000 | 1140 | 1987 submersible Alvin |
Leyte | active, inferred | arc volcano | Luzon/Bicol Arc | 11.5000 | 124.7000 | 2002 or earlier some indications of activity | |
Nishi-Shichito Ridge | inactive | arc volcano | Izu-Bonin Arc | 31.3667 | 138.7500 | 1600 | NotProvided |
Doyo Seamount | active, confirmed | arc volcano | Izu-Bonin Arc | 27.6833 | 140.8167 | 520 | 1990 submersible Shinkai 2000 |
Kraternaya Bight, Ushishir Volcano | active, confirmed | arc volcano | Kuril Arc | 47.5167 | 152.8000 | 60 | 1985 SCUBA |
Fukujin volcano | active, inferred | arc volcano | Mariana Arc | 21.9300 | 143.4700 | 1100 | 1987 deposits only |
Naung | active, inferred | arc volcano | Sangihe Arc | 3.7791 | 125.3750 | 600 | 2001 dredge only, 2003 CTD only |
TOTO Caldera | active, confirmed | arc volcano | Mariana Arc | 12.7167 | 143.5333 | 2960 | 2000 deep-tow camera (later, same year - ROV Kaiko); 1998 or earlier hydrothermal deposits dredged; 1998 plume only |
Kurose Hole | inactive | arc volcano | Izu-Bonin Arc | 33.4000 | 139.6800 | 760 | 1989 inactive; 2009 inactive |
Nishinoshima Island | active, inferred | arc volcano | Izu-Bonin Arc | 27.2367 | 140.8783 | 5 | 1975 SCUBA |
Paramushir Island | inactive | arc volcano | Kuril Arc | 50.3300 | 155.5000 | 800 | NotProvided |
Kasuga 1 Seamount | inactive | arc volcano | Mariana Arc | 21.7650 | 143.7100 | 600 | 2003 no plume detected |
Lembeh Strait | active, confirmed | arc volcano | Sangihe Arc | 1.8000 | 125.2000 | 3 | NotProvided |
NE Anatahan submarine volcano | active, inferred | arc volcano | Mariana Arc | 16.3750 | 145.7250 | 460 | 2003 multibeam and sidescan sonar only |
Sumisu Caldera | active, confirmed | arc volcano | Izu-Bonin Arc | 31.4667 | 140.0667 | 690 | 1998 submersible Shinkai 2000 |
Jaco Scar | active, confirmed | arc volcano | Costa Rica fore arc | 9.1175 | -84.8397 | 1790 | 2009 submersible Alvin |
Banua Wuhu submarine volcano | active, confirmed | arc volcano | Sangihe Arc | 3.1380 | 125.4910 | 10 | 1996 or earlier, likely by SCUBA |
Piip Submarine Volcano | active, confirmed | arc volcano | Aleutian Arc, western | 55.4167 | 167.2717 | 500 | 1990 Mir submersible; 1981 R/V "Vulcanolog" cruise; 1987 (or 1986) echo-sounder fluid discharge |
Kasuga 2 Seamount | active, confirmed | arc volcano | Mariana Arc | 21.6000 | 143.6167 | 500 | 1987 submersible Alvin |
Ruby | active, confirmed | arc volcano | Mariana Arc | 15.6200 | 145.5700 | 214 | 2006 ROV Jason II; 2003 plume only |
Suiyo Seamount | active, confirmed | arc volcano | Izu-Bonin Arc | 28.5750 | 140.6417 | 1380 | 1991 submersible Shinkai 2000 |
Kagamil Island | active, confirmed | arc volcano | Aleutian Arc, western | 52.9800 | -169.7200 | 5 | 2007 SCUBA |
Northwest Eifuku | active, confirmed | arc volcano | Mariana Arc | 21.4850 | 144.0430 | 1604 | 2004 ROV ROPOS; 2003 plume only |
East Diamante volcano | active, confirmed | arc volcano | Mariana Arc | 15.9300 | 145.6700 | 457 | 2004 ROV ROPOS; 2003 plume only |
Kaikata Seamount | active, confirmed | arc volcano | Izu-Bonin Arc | 26.7000 | 141.0833 | 930 | 1988 submersible Shinkai 2000; 1985 dredge only |
Daikoku volcano | active, confirmed | arc volcano | Mariana Arc | 21.3240 | 144.1940 | 450 | 2004 ROV ROPOS; 2003 plume only |
Daiichi-Amami knoll | active, inferred | arc volcano | Ryukyu Arc | 28.4500 | 128.7500 | 350 | 2013 multibeam echo sounder on S/V Takuyo and AUV Gondo |
West Rota volcano | active, confirmed | arc volcano | Mariana Arc | 14.3250 | 144.8330 | 1150 | 2005 ROV Hyper-Dolphin; 2003 plume only; 2004 ROV ROPOS did not observe venting |
W Syoyo | active, inferred | arc volcano | Mariana Arc | 22.5080 | 142.5330 | 2150 | 2003 plume only |
Kawio Barat | active, confirmed | arc volcano | Sangihe Arc | 4.8133 | 125.0816 | 1890 | 2003 towed video, CTD/transmissometer, and dredge |
Makhahnas | active, inferred | arc volcano | Mariana Arc | 20.5300 | 144.8833 | 420 | 2003 no plume detected |
South Sarigan Seamount | active, inferred | arc volcano | Mariana Arc | 16.5800 | 145.7800 | 240 | 2013 ROV HyperDolphin (did not confirm activity) |
Taketomi Thermal Area | active, confirmed | arc volcano | Ryukyu Arc | 24.3483 | 124.1017 | 23 | 1987 or earlier, likely by SCUBA |
Esmeralda Bank | active, confirmed | arc volcano | Mariana Arc | 14.9667 | 145.2500 | 323 | 1990 towed video and TV-grab; 1978 hydrothermal deposits only |
SW Syoyo | active, inferred | arc volcano | Mariana Arc | 22.3870 | 142.7620 | 1750 | 2003 plume only |
Pulau Weh | active, confirmed | arc volcano | Banda/Sunda Arc | 5.8166 | 95.3000 | 8 | 1982 or earlier, likely by SCUBA |
Ahyi | active, inferred | arc volcano | Mariana Arc | 20.4200 | 145.0300 | 60 | 2003 plume only |
Hot Beach, Mendeleev Volcano | active, confirmed | arc volcano | Kuril Arc | 43.9760 | 145.7360 | 1 | 1990 or earlier, from the beach |
Northwest Rota-1 volcano | active, confirmed | arc volcano | Mariana Arc | 14.6010 | 144.7750 | 599 | 2004 ROV ROPOS; 2003 plume only |
Shinkurose Bank | inactive | arc volcano | Izu-Bonin Arc | 33.5667 | 140.1667 | 200 | 1992 or earlier submersible Shinkai 2000 |
Daisan-Kume Knoll | active, confirmed | arc volcano | Ryukyu Arc | 26.3020 | 126.4125 | 1370 | 2015 ROV Kaiko; 2014 ROV Hyper Dolphin 3000 Dive 1761 may have confirmed; 2014 AUV temperature anomaly |
Minami-Hiyoshi submarine volcano | active, confirmed | arc volcano | Mariana Arc | 23.4970 | 141.9400 | 80 | 2005 ROV HyperDolphin |
Akuseki-jima | active, confirmed | arc volcano | Ryukyu Arc | 29.4610 | 129.5970 | 5 | 1993 or earlier, likely by SCUBA |
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 |
Nagahama Bay, Iwo-dake Volcano | active, confirmed | arc volcano | Ryukyu Arc | 30.7500 | 130.3330 | 26 | 1994 or earlier intertidal; 2008 or earlier SCUBA subtidal |
Myojin Knoll | active, confirmed | arc volcano | Izu-Bonin Arc | 32.1033 | 139.8683 | 1360 | 1996 submersible Shinkai 2000 |
Forecast | active, confirmed | arc volcano | Mariana Arc | 13.4000 | 143.9166 | 1470 | 1992 submersible Shinkai 6500 |
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 |
Kodakara-jima | active, confirmed | arc volcano | Ryukyu Arc | 29.2166 | 129.3333 | 10 | 1993 or earlier, likely by SCUBA |
Omuro Hole | active, confirmed | arc volcano | Izu-Bonin Arc | 34.5467 | 139.4417 | 200 | 2012 ROV Hyper-Dolphin |
Chamorro volcano | active, confirmed | arc volcano | Mariana Arc | 20.8100 | 144.7050 | 896 | 2016 ROV Deep Discoverer; 2003 plume only |
Kagoshima Bay | active, confirmed | arc volcano | Ryukyu Arc | 31.6583 | 130.8000 | 200 | 1993 towed TV system (Haorimushi site); 2007 ROV Hyper-dolphin (Tagiri site) |
Myojinsho Caldera | active, inferred | arc volcano | Izu-Bonin Arc | 31.8833 | 139.9500 | 1110 | 1988 deposits only; 2005 plume only |
Seamount X | active, confirmed | arc volcano | Mariana Arc | 13.2500 | 144.0200 | 1450 | 1994 or earlier submersible Shinkai 6500 |
Sumisu Rift | active, inferred | back-arc spreading center | Izu-Bonin back-arc | 31.1000 | 139.8917 | 1600 | 1987 submersible Alvin inactive chimneys only |
Okinawa Trough, Site ES2 | active, inferred | back-arc spreading center | Okinawa Trough | 28.8137 | 128.1028 | 779 | 1992 dredge only |
Mariana Trough, 14.5 N | active, inferred | back-arc spreading center | Mariana Trough | 14.4870 | 144.0940 | 4120 | 2015 plume only |
Mariana Mounds | active, confirmed | back-arc spreading center | Mariana Trough | 18.0333 | 144.2833 | 3600 | 1987 submersible Alvin |
SPOT, Yonaguni Knoll IV | active, confirmed | back-arc spreading center | Okinawa Trough | 24.8490 | 122.7000 | 1385 | 2000 submersibles Shinkai 2000 and Shinkai 6500 |
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 |
Mariana Trough, 15.5 N | active, confirmed | back-arc spreading center | Mariana Trough | 15.4080 | 144.5090 | 4196 | 2015 plume only, 2016 ROV did not confirm |
Snail | active, confirmed | back-arc spreading center | Mariana Trough | 12.9533 | 143.6200 | 2880 | 2003 ROV Jason II; 2003 plume only |
North Knoll, Iheya Ridge | active, confirmed | back-arc spreading center | Okinawa Trough | 27.7908 | 126.8966 | 1100 | 1995 deep tow survey |
Hafa Adai | active, confirmed | back-arc spreading center | Mariana Trough | 16.9570 | 144.8680 | 3294 | 2016 ROV Deep Discoverer; 2015 AUV Sentry plume mapping |
Mariana Trough, 16.5 N | active, inferred | back-arc spreading center | Mariana Trough | 16.4010 | 144.8700 | 3829 | 2015 plume only |
Natsushima 84-1 Knoll | active, confirmed | back-arc spreading center | Okinawa Trough | 27.5750 | 127.1417 | 1600 | 1986 submersible Shinkai 2000 |
Perseverance | active, confirmed | back-arc spreading center | Mariana Trough | 15.4802 | 144.5077 | 3935 | 2016 ROV SuBastian; 2015 AUV Sentry plume mapping |
13 N Ridge Site | active, confirmed | back-arc spreading center | Mariana Trough | 13.0987 | 143.6886 | 3036 | 2000 deep-tow camera (later, same year - ROV Kaiko) |
Mariana Trough, 18.2 N | active, inferred | back-arc spreading center | Mariana Trough | 18.1080 | 144.7380 | 3916 | 2015 plume only |
Bayonnaise Knoll caldera | active, inferred | back-arc spreading center | Izu-Bonin back-arc | 31.9667 | 139.7333 | 900 | 2003 temperature anomalies, but camera survey observed inactive vent deposits |
Yoron Hole | active, confirmed | back-arc spreading center | Okinawa Trough | 27.4916 | 127.5333 | 590 | 2010 ROV Hyperdolphin |
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 |
Mariana Trough, Central Trough | active, confirmed | back-arc spreading center | Mariana Trough | 18.0467 | 144.7533 | 3676 | 1987 submersible Alvin |
Tarama Knoll | active, confirmed | back-arc spreading center | Okinawa Trough | 25.0916 | 124.5416 | 1990 | 2009 ROV HyperDolphin |
Izena Cauldron | active, confirmed | back-arc spreading center | Okinawa Trough | 27.2667 | 127.0833 | 1610 | 1988 submersible Shinkai 2000 |
Yokosuka | active, confirmed | back-arc spreading center | Okinawa Trough | 25.2638 | 124.3733 | 2190 | 2016 ROV Kaiko; 2014 plume only |
Alice Springs Field | active, confirmed | back-arc spreading center | Mariana Trough | 18.2103 | 144.7073 | 3640 | 1987 submersible Alvin; 1982 plume only |
Okinawa Trough, Site ES1 | active, inferred | back-arc spreading center | Okinawa Trough | 30.3303 | 129.0827 | 521 | 1992 dredge only |
Sakai | active, confirmed | back-arc spreading center | Okinawa Trough | 27.5481 | 126.9895 | 1600 | 1988 submersible Shinkai 2000; 1987 plume only |
Higashi-Ensei | active, confirmed | back-arc spreading center | Okinawa Trough | 28.4393 | 128.1724 | 1220 | 2016 ROV Kaiko dives 723 and 724 |
Pika | active, confirmed | back-arc spreading center | Mariana Trough | 12.9183 | 143.6483 | 2990 | 2003 submersible Shinkai 6500; 2003 plume only |
Kueishan Island, offshore | active, confirmed | back-arc spreading center | Okinawa Trough | 24.8333 | 122.0000 | 1200 | 2008 or earlier |
Futagoyama | active, confirmed | back-arc spreading center | Okinawa Trough | 24.8674 | 123.3081 | 1270 | 2016 ROV Kaiko dive 717 |
Mariana Trough, plume 2 | active, inferred | back-arc spreading center | Mariana Trough | 12.7610 | 143.4730 | 2950 | 2003 plume only |
Philippine Ridge, West Philippine Basin | inactive | back-arc spreading center | West Philippine Basin | 12.0000 | 131.4170 | 5800 | NotProvided |
Higa | active, confirmed | back-arc spreading center | Okinawa Trough | 26.5550 | 126.2233 | 1485 | 2015 ROV Kaiko |
SPOT, Hatoma Knoll | active, confirmed | back-arc spreading center | Okinawa Trough | 24.8550 | 123.8410 | 1520 | 1999 submersible Shinkai 2000 |
Parece Vela Ridge, Philippine Sea | inactive | back-arc spreading center | Parece Vela Basin | 16.0000 | 139.1667 | 5000 | NotProvided |
Tangyin | active, inferred | back-arc spreading center | Okinawa Trough | 25.0667 | 122.5667 | 1206 | 2014 likely by dredging or ROV during the HOBAB3 cruise on R/V Kexue |
Kueishan Island | active, confirmed | back-arc spreading center | Okinawa Trough | 24.8333 | 121.9500 | 30 | 1999, likely by SCUBA |
Hawaiian Ridge | inactive | intra-plate volcano | Central Pacific | 15.0000 | -157.5000 | 5000 | 1987 or earlier |
Loihi Seamount | active, confirmed | intra-plate volcano | Central Pacific | 18.9500 | -155.2500 | 4800 | 1985 bottom photography R/V Hakuho Maru; 1987 submersible Alvin |
Galapagos Mounds | active, confirmed | mid-ocean ridge | Galapagos Rift | 1.4500 | -86.1665 | 2700 | 1977 submersible Alvin |
EPR, 10 02'N | active, confirmed | mid-ocean ridge | N EPR | 10.0330 | -104.3300 | 2560 | 1992 submersible Alvin |
Guaymas Basin, Southern Trough | active, confirmed | mid-ocean ridge | Gulf of California | 27.0148 | -111.4109 | 2000 | 1982 submersible Alvin; 1980 DeepTow CTD and dredging |
EPR, 14 N seamount | inactive | mid-ocean ridge | N EPR | 14.1500 | -104.3667 | 2600 | NotProvided |
Alarcon Rise, Meyibo | active, confirmed | mid-ocean ridge | Gulf of California | 23.3553 | -108.5443 | 2295 | 2012 ROV Doc Ricketts |
EPR, mid 17 N segment | active, inferred | mid-ocean ridge | N EPR | 17.0000 | -105.3800 | 2750 | 1997 plume only |
Baby Bare Seamount | active, confirmed | mid-ocean ridge | JdF Ridge | 47.7100 | -127.7870 | 2600 | 1995 submersible Alvin |
Feather Duster | active, confirmed | mid-ocean ridge | N EPR | 10.9267 | -103.6767 | 2520 | 1984 towed camera and submersible Alvin |
Hess Deep | inactive | mid-ocean ridge | Galapagos Rift | 2.2500 | -101.5000 | 5100 | NotProvided |
Axial Seamount, ASHES | active, confirmed | mid-ocean ridge | JdF Ridge | 45.9333 | -130.0140 | 1540 | 1984 submersible Alvin |
Axial Seamount, International District | active, confirmed | mid-ocean ridge | JdF Ridge | 45.9266 | -129.9795 | 1544 | 1986 submersible Pisces IV |
EPR, Seamount 5 | active, inferred | mid-ocean ridge | N EPR | 13.0000 | -103.5000 | 1100 | 1988 or earlier camera and/or submersible (need to check reference) |
Galapagos Rift, 85 50'W | inactive | mid-ocean ridge | Galapagos Rift | 0.7500 | -85.8333 | 2600 | 1988 or earlier submersible observations |
Central Cleft, off-axis | active, confirmed | mid-ocean ridge | JdF Ridge | 44.7583 | -130.2750 | 2200 | 2000 ROV Tiburon |
Magic Mountain | active, confirmed | mid-ocean ridge | Explorer Ridge | 49.7500 | -130.2667 | 1850 | 1984 submersible Pisces IV |
Guaymas Basin, Northern Trough_2 | active, confirmed | mid-ocean ridge | Gulf of California | 27.4110 | -111.3879 | 1800 | 2015 ROV Hybis |
Alarcon Rise, Tzab-ek | active, confirmed | mid-ocean ridge | Gulf of California | 23.3526 | -108.5597 | 2249 | 2015 ROV Doc Ricketts |
EPR, northern 17 N segment | active, inferred | mid-ocean ridge | N EPR | 17.6700 | -105.0050 | 2800 | 1997 plume only |
Main Endeavour Field | active, confirmed | mid-ocean ridge | JdF Ridge | 47.9487 | -129.0981 | 2220 | 1984 submersible Alvin; 1982 dredge only |
Tevnia | active, inferred | mid-ocean ridge | N EPR | 10.3333 | -103.5533 | 2925 | 1994 submersible Alvin did not confirm activity |
Galapagos Rift, 94.4 W | active, inferred | mid-ocean ridge | Galapagos Rift | 2.5300 | -94.3300 | 2400 | 2005 plume only |
Axial Seamount, CASM | active, confirmed | mid-ocean ridge | JdF Ridge | 45.9892 | -130.0272 | 1580 | 1983 submersible Pisces IV |
Gorda Ridge, GR-15 | active, inferred | mid-ocean ridge | Gorda Ridge | 42.9500 | -126.5500 | 3365 | 1985 plume only |
Magic Mountain, 3-km south | active, inferred | mid-ocean ridge | Explorer Ridge | 49.7250 | -130.2667 | 1850 | 2002 AUV ABE plume only |
EPR, southern 16 N segment | active, inferred | mid-ocean ridge | N EPR | 15.5000 | -105.4000 | 2300 | 1997 plume only |
Calyfield | active, confirmed | mid-ocean ridge | Galapagos Rift | 0.8300 | -89.6083 | 1660 | 2002 submersible Alvin |
Stockwork | active, inferred | mid-ocean ridge | JdF Ridge | 47.9000 | -129.1240 | 2300 | 2005 submersible Alvin (need publication to determine if confirmed) |
EPR, 10 44.6'N | active, confirmed | mid-ocean ridge | N EPR | 10.7433 | -103.6500 | 2580 | 1985 Argo video tow with temperature |
Alarcon Rise/Tamayo intersection | active, inferred | mid-ocean ridge | Gulf of California | 23.2336 | -108.6168 | 2358 | 2015 ROV Doc Ricketts did not confirm activity |
High-Rise Field | active, confirmed | mid-ocean ridge | JdF Ridge | 47.9666 | -129.0894 | 2200 | 1988 submersible Alvin |
North Cleft, low temperature | active, confirmed | mid-ocean ridge | JdF Ridge | 44.8833 | -130.2667 | 2250 | 1987-1989 camera/CTD tows |
Galapagos Rift, 94.7 W | active, inferred | mid-ocean ridge | Galapagos Rift | 2.6000 | -94.7750 | 2690 | 2005 plume only |
DSDP Hole 504B | inactive | mid-ocean ridge | Galapagos Rift | 1.2267 | -83.7300 | 3500 | NotProvided |
West Valley | active, inferred | mid-ocean ridge | JdF Ridge | 48.4833 | -129.0417 | 3000 | 1987 and 1988 deposits only (towed camera did not confirm activity) |
EPR 87D1 Seamount | inactive | mid-ocean ridge | N EPR | 11.5333 | -103.8600 | 2090 | NotProvided |
E Los Huellos Caldera | active, inferred | mid-ocean ridge | Galapagos Rift | 0.9500 | -90.5300 | 1600 | 2005 plume only; 2005 towed video Medea did not confirm activity |
Precious Stone Mountain | active, confirmed | mid-ocean ridge | Galapagos Rift | 1.2200 | -101.4900 | 1700 | 2009 deep-tow video and TV grab |
SESCA | active, inferred | mid-ocean ridge | Gorda Ridge | 40.7500 | -127.5200 | 3300 | 1986 sediments and heat-flow measurements |
Mothra Field | active, confirmed | mid-ocean ridge | JdF Ridge | 47.9233 | -129.1082 | 2270 | 1996 ROV ROPOS; 1986 plume only |
EPR, 10 08'N | active, inferred | mid-ocean ridge | N EPR | 10.1300 | -104.3300 | 2580 | 1983 towed camera and temperature measurements (no direct observations/sampling of hydrothermal fluid) |
EPR, 9 17'N | active, confirmed | mid-ocean ridge | N EPR | 9.2800 | -104.2166 | 2585 | 1989 Argo I towed video |
Ringvent | active, confirmed | mid-ocean ridge | Gulf of California | 27.5083 | -111.6792 | 1740 | 2016 submersible Alvin; 2009 towed camera/CTD/bottles |
Sea Cliff | active, confirmed | mid-ocean ridge | Gorda Ridge | 42.7550 | -126.7083 | 2800 | 1988 submersible Sea Cliff; 1985 plume only; 1986 dredge and camera tow did not confirm activity |
Galapagos Rift, 95 W | inactive | mid-ocean ridge | Galapagos Rift | 2.5000 | -95.1667 | 2600 | NotProvided |
Guaymas Basin, Northern Trough | inactive | mid-ocean ridge | Gulf of California | 27.3050 | -111.5067 | 2000 | 1977 submersible Seacliff (hydrothermal deposits only) |
Dellwood Seamount | inactive | mid-ocean ridge | Explorer Ridge | 50.7470 | -130.8961 | 800 | 1974 or earlier deposits only; 2018 ROV Hercules inactive |
EPR, 11 30'N | active, inferred | mid-ocean ridge | N EPR | 11.4833 | -103.7833 | 2422 | 1981 towed camera and plume did not confirm activity; 1988 submersible Alvin dive #1996 (need reference to confirm activity) |
W Los Huellos Caldera | active, inferred | mid-ocean ridge | Galapagos Rift | 1.0000 | -90.6000 | 1600 | 2005 plume only |
Floc | active, confirmed | mid-ocean ridge | JdF Ridge | 46.3133 | -129.7050 | 2290 | 1993 DEEPTOW and submersible Alvin |
EPR, 9 33'N | active, confirmed | mid-ocean ridge | N EPR | 9.5583 | -104.2500 | 2574 | 1989 Argo I towed video; 1991 submersible Alvin |
EPR, 9 30'N | active, confirmed | mid-ocean ridge | N EPR | 9.5167 | -104.2414 | 2580 | 1989 Argo I towed video |
Tempus Fugit | active, confirmed | mid-ocean ridge | Galapagos Rift | 0.7683 | -85.9100 | 2560 | 2011 ROV Little Hercules |
South Cleft | active, confirmed | mid-ocean ridge | JdF Ridge | 44.6667 | -130.3667 | 2250 | 1981 deep-tow photographs; 1984 submersible Alvin |
Navidad | active, confirmed | mid-ocean ridge | Galapagos Rift | 2.5300 | -94.0750 | 2380 | 2005 towed video Medea |
Wagner Basin | active, inferred | mid-ocean ridge | Gulf of California | 31.0666 | -114.0833 | 120 | 2007 echosounder and grab samples |
EPR, 21 N | active, confirmed | mid-ocean ridge | N EPR | 20.8333 | -109.0833 | 2600 | 1979 submersible Alvin; 1978 submersible Cyana discovered mineral deposits only |
Explorer Deep | inactive | mid-ocean ridge | Explorer Ridge | 50.1000 | -129.7500 | 3200 | 1969, deposits only |
EPR, 11 42'N | active, confirmed | mid-ocean ridge | N EPR | 11.7000 | -103.8500 | 2580 | 1984 Angus camera (or 1985 Argo video) tow with temperature |
Rose Garden | active, confirmed | mid-ocean ridge | Galapagos Rift | 0.8058 | -86.2267 | 2550 | 1977 submersible Alvin; 1976 plume and photographs of clam shells did not confirm activity (note: Rose Garden is used here as the name of the vent field, but Rose Garden vent site itself not discovered until 1979) |
Source | active, confirmed | mid-ocean ridge | JdF Ridge | 46.1550 | -129.8100 | 2055 | 1993 submersible Alvin |
EPR, 9 40'N | active, confirmed | mid-ocean ridge | N EPR | 9.6500 | -104.2600 | 2572 | 1989 Argo I towed video; 1991 submersible Alvin |
Medusa | active, confirmed | mid-ocean ridge | N EPR | 9.1404 | -104.2065 | 2580 | 2007 ROV Jason II; 1991 plume only |
Consag Basin | active, inferred | mid-ocean ridge | Gulf of California | 30.6333 | -113.9083 | 140 | 2007 echosounder and grab samples |
East Blanco Depression | active, confirmed | mid-ocean ridge | JdF Ridge | 44.2170 | -129.6250 | 3460 | 1994 ROV U.S. Navy's Advanced Tethered Vehicle |
Galapagos Rift, 93.7 W | active, inferred | mid-ocean ridge | Galapagos Rift | 2.4970 | -93.7700 | 2220 | 2005 plume only |
EPR/Tamayo intersection | active, inferred | mid-ocean ridge | N EPR | 22.9333 | -108.0667 | 3200 | 1979 submersible Alvin did not confirm activity |
ET | active, inferred | mid-ocean ridge | JdF Ridge | 48.1993 | -128.9257 | 2500 | NotProvided |
EPR, 11 45'N, OSC | active, inferred | mid-ocean ridge | N EPR | 11.7775 | -103.8300 | 2580 | 1984 Angus camera (or 1985 Argo video) tow with temperature; 1988 submersible Alvin dive #2004 (need reference to confirm activity) |
Split Seamount | active, inferred | mid-ocean ridge | JdF Ridge | 47.6400 | -128.9667 | 2350 | 1990 camera tow (need reference to check if activity confirmed) |
EPR, 9 47'N | active, confirmed | mid-ocean ridge | N EPR | 9.7750 | -104.2802 | 2560 | 1989 Argo I towed video; 1991 submersible Alvin |
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 |
Gorda Ridge, 41 30'N | inactive | mid-ocean ridge | Gorda Ridge | 41.5167 | -127.4500 | 3350 | 1984 deposits only |
EPR, southern 17 N segment | active, inferred | mid-ocean ridge | N EPR | 16.5800 | -105.3000 | 2700 | 1997 plume only |
Iguanas-Pinguinos | active, confirmed | mid-ocean ridge | Galapagos Rift | 2.1000 | -91.9350 | 1640 | 2005 towed video Medea |
Green Seamount | inactive | mid-ocean ridge | N EPR | 20.8033 | -109.2833 | 2000 | 1982 submersible Alvin observed only inactive |
Sasquatch Field | active, confirmed | mid-ocean ridge | JdF Ridge | 47.9969 | -129.0662 | 2200 | 2000 submersible Alvin |
EPR, 13 N, SE Seamount | inactive | mid-ocean ridge | N EPR | 12.7000 | -103.8600 | 2500 | 1981 towed camera, dredging, and plume did not confirm activity; 1982 and 1984 submersible Cyana did not confirm activity |
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 |
EPR, 9 50'N | active, confirmed | mid-ocean ridge | N EPR | 9.8300 | -104.2900 | 2520 | 1989 Argo I towed video |
AHA Field | active, confirmed | mid-ocean ridge | N EPR | 1.7333 | -102.2830 | 2850 | 2000 towed imaging ARGO-II |
Gorda Ridge, EP96B | active, inferred | mid-ocean ridge | Gorda Ridge | 42.5500 | -126.8333 | 3400 | 1984 deposits only; 1996 plume only |
Teotihuacan | active, confirmed | mid-ocean ridge | N EPR | 15.7333 | -105.4333 | 2300 | 2010 submersible Nautile; 1997 plume only |
Eye of Mordor Seamount | active, inferred | mid-ocean ridge | Galapagos Rift | 1.9410 | -91.3100 | 1555 | 2005 plume only |
Pegasus | active, confirmed | mid-ocean ridge | Galapagos Rift | 0.7500 | -88.2000 | 2000 | 2011 ROV Little Hercules |
Pescadero Basin, Auka | active, confirmed | mid-ocean ridge | Gulf of California | 23.9567 | -108.8618 | 3685 | 2015 ROV Doc Ricketts; 1990 or earlier plume only |
Red Seamount | active, confirmed | mid-ocean ridge | N EPR | 20.8033 | -109.3783 | 2000 | 1982 submersible Alvin |
Salty Dawg Field | active, confirmed | mid-ocean ridge | JdF Ridge | 47.9822 | -129.0756 | 2200 | 1995 submersible Alvin, followed by ROV ROPOS |
EPR, 11 07'N | active, inferred | mid-ocean ridge | N EPR | 11.1330 | -103.7800 | 2580 | 1988 submersible Alvin dive #1989 (need reference to confirm activity); 1991 plume only |
Flow | active, confirmed | mid-ocean ridge | JdF Ridge | 46.5250 | -129.5783 | 2390 | 1993 ROV ROPOS |
EPR, 8 53'N | active, inferred | mid-ocean ridge | N EPR | 8.9000 | -104.2000 | 2580 | 1991 plume only |
EPR, 3.9 N offset | active, confirmed | mid-ocean ridge | N EPR | 3.9170 | -102.2330 | 2875 | 1989 or earlier Deep Tow photographs (cruise RIFTS or PAPATUA) |
Gorda Ridge, EP96A | active, inferred | mid-ocean ridge | Gorda Ridge | 42.6790 | -126.7820 | 3150 | 1996 camera/temperature tow followed by ROV did not confirm hydrothermal activity |
EPR, 13 N | active, confirmed | mid-ocean ridge | N EPR | 12.8333 | -103.9500 | 2630 | 1982 submersible Cyana; 1981 towed camera, dredging, and plume did not confirm activity |
E Eye of Mordor | inactive | mid-ocean ridge | Galapagos Rift | 1.9058 | -91.2310 | 1600 | 2005 towed video Medea found inactive chimneys |
Uka Pacha | active, confirmed | mid-ocean ridge | Galapagos Rift | 0.7700 | -88.3000 | 2100 | 2011 ROV Little Hercules |
Alarcon Rise/Pescadero intersection | active, inferred | mid-ocean ridge | Gulf of California | 23.6423 | -108.3948 | 2384 | 2015 ROV Doc Ricketts did not confirm activity |
Middle Valley, Dead Dog Vent Field | active, confirmed | mid-ocean ridge | JdF Ridge | 48.4560 | -128.7088 | 2450 | 1990 HOV Alvin |
EPR, 11 17'N | active, confirmed | mid-ocean ridge | N EPR | 11.2833 | -103.7583 | 2560 | 1984 Angus camera (or 1985 Argo video) tow with temperature |
EPR, 8 38'N | active, confirmed | mid-ocean ridge | N EPR | 8.6333 | -104.2000 | 2550 | 2003 submersible Alvin; 1989 dredge only; 2002 plume only |
Brown Bear Seamount | inactive | mid-ocean ridge | JdF Ridge | 46.0333 | -130.5500 | 1500 | NotProvided |
NESCA | active, confirmed | mid-ocean ridge | Gorda Ridge | 41.0000 | -127.4917 | 3300 | 1988 submersible Alvin; 1986 dredge and photographs did not confirm activity |
EPR, 13 N, Marginal High | active, confirmed | mid-ocean ridge | N EPR | 12.7090 | -103.9160 | 2650 | 1984 submersible Cyana; 1981 towed camera, dredging, and plume did not confirm activity |
W Eye of Mordor | inactive | mid-ocean ridge | Galapagos Rift | 1.9707 | -91.3900 | 1600 | 2005 towed video Medea observed inactive chimneys |
Alarcon Rise, Ja Sit | active, confirmed | mid-ocean ridge | Gulf of California | 23.3765 | -108.5315 | 2304 | 2012 ROV Doc Ricketts |
EPR, Manzanillo Spreading Segment | active, inferred | mid-ocean ridge | N EPR | 18.2500 | -106.3000 | 2600 | 1997 plume only |
Middle Valley, Bent Hill Massive Sulfide | active, confirmed | mid-ocean ridge | JdF Ridge | 48.4341 | -128.6812 | 2440 | 1990 HOV Alvin, 1985 deposits only |
EPR, 11 24'N | active, confirmed | mid-ocean ridge | N EPR | 11.4000 | -103.7800 | 2580 | 1990 submersible Alvin; 1988 submersible Alvin dive #1994 (need reference to confirm activity) |
Galapagos Rift, 95.5 W | active, inferred | mid-ocean ridge | Galapagos Rift | 2.6700 | -95.4500 | 3200 | 1990 submersible Alvin did not confirm activity |
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 |
San Felipe | active, inferred | other | Coastal Baja California | 31.0000 | -114.8000 | 1 | 1982 or earlier, likely from shore |
White Point, Palos Verde, California | active, confirmed | other | Coastal California | 33.7000 | -118.3167 | 10 | 1984 or earlier, likely by SCUBA |
Punta Banda | active, confirmed | other | Coastal Baja California | 31.7500 | -116.7500 | 30 | 1960's commercial abalone divers |
Punta Mita, Bahia de Banderas | active, confirmed | other | Coastal Mexico | 20.7700 | -105.5200 | 10 | 1997 photo/video most likely by SCUBA |
Dorado Outcrop | active, confirmed | other | 9.0800 | -87.0950 | 3000 | 2013 ROV Jason Dive J2-751 | |
Bahia Concepcion | active, confirmed | other | Coastal Baja California | 26.6667 | -111.8333 | 15 | 1968 or earlier, likely by SCUBA |