Bataan |
active, inferred |
arc volcano |
Luzon/Bicol Arc |
20.0000 |
122.0000 |
|
2002 or earlier some indications of activity |
Leyte |
active, inferred |
arc volcano |
Luzon/Bicol Arc |
11.5000 |
124.7000 |
|
2002 or earlier some indications of activity |
San Felipe |
active, inferred |
other |
Coastal Baja California |
31.0000 |
-114.8000 |
1 |
1982 or earlier, likely from shore |
Nishinoshima Island |
active, inferred |
arc volcano |
Izu-Bonin Arc |
27.2367 |
140.8783 |
5 |
1975 SCUBA |
Ahyi |
active, inferred |
arc volcano |
Mariana Arc |
20.4200 |
145.0300 |
60 |
2003 plume only |
Gemini-Oscostar Volcanic Complex |
active, inferred |
arc volcano |
New Hebrides Arc |
-20.9830 |
170.2830 |
100 |
2001 deposits and plume; 2004 plume and sulfide samples |
Wagner Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
31.0666 |
-114.0833 |
120 |
2007 echosounder and grab samples |
Consag Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
30.6333 |
-113.9083 |
140 |
2007 echosounder and grab samples |
Zealandia |
active, inferred |
arc volcano |
Mariana Arc |
16.8800 |
145.8500 |
144 |
2003 plume only; 2009 or earlier ROV did not confirm activity |
Monowai Cone |
active, inferred |
arc volcano |
Tonga Arc |
-25.8870 |
-177.1880 |
150 |
1998 R/V Sonne SO-135; 2004 plume only |
Tonga Arc, Volcano 4 |
active, inferred |
arc volcano |
Tonga Arc |
-22.0670 |
-176.2080 |
200 |
2003 plume and dredge only |
Tonga Arc, Volcano 8 |
active, inferred |
arc volcano |
Tonga Arc |
-22.8433 |
-176.4317 |
240 |
2003 plume and dredge only |
Secca del Capo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6333 |
14.8500 |
240 |
1995 ROV Comex deposits only; 2007 plume only |
South Sarigan Seamount |
active, inferred |
arc volcano |
Mariana Arc |
16.5800 |
145.7800 |
240 |
2013 ROV HyperDolphin (did not confirm activity) |
Krakatau |
active, inferred |
arc volcano |
Banda/Sunda Arc |
-6.1020 |
105.4230 |
250 |
2002 CTD/transmissometer and dredge only |
Gamble volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-27.2000 |
-177.4100 |
250 |
2004 plume and dredging NZAPLUME III expedition |
Stromboli |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7890 |
15.2130 |
250 |
1969 Fe crusts only |
Hinetapeka volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-28.5900 |
-177.8200 |
300 |
2004 plume and dredging NZAPLUME III expedition |
VC7 |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.5608 |
25.5250 |
320 |
2010 ROV Hercules |
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 |
Makhahnas |
active, inferred |
arc volcano |
Mariana Arc |
20.5300 |
144.8833 |
420 |
2003 no plume detected |
Kos, south |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6667 |
27.2500 |
450 |
1997 plume only |
NE Anatahan submarine volcano |
active, inferred |
arc volcano |
Mariana Arc |
16.3750 |
145.7250 |
460 |
2003 multibeam and sidescan sonar only |
Ngatoroirangi |
active, inferred |
arc volcano |
Kermadec Arc |
-33.7310 |
179.8250 |
467 |
2002 plume only |
Kuwae submarine caldera |
active, inferred |
arc volcano |
New Hebrides Arc |
-16.8300 |
168.5300 |
484 |
2001 plume and inconclusive grab samples |
Reykjanes Ridge, Area A |
active, inferred |
mid-ocean ridge |
Reykjanes Ridge |
62.4500 |
-25.4330 |
500 |
NotProvided |
Kavachi submarine volcano |
active, inferred |
arc volcano |
Solomons Arc |
-8.9833 |
157.9667 |
500 |
2000 plume only |
FRSC, T12A-01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.7850 |
-174.5260 |
500 |
2012 plume only |
Okinawa Trough, Site ES1 |
active, inferred |
back-arc spreading center |
Okinawa Trough |
30.3303 |
129.0827 |
521 |
1992 dredge only |
Tonga Arc, Volcano J1 |
active, inferred |
arc volcano |
Tonga Arc |
-17.2400 |
-173.9500 |
560 |
2004 plume only |
Naung |
active, inferred |
arc volcano |
Sangihe Arc |
3.7791 |
125.3750 |
600 |
2001 dredge only, 2003 CTD only |
Douglas Strait caldera, Thule Island, South Sandwich Islands |
active, inferred |
arc volcano |
South Sandwich Arc |
-59.4167 |
-27.3333 |
625 |
2009 plume only; 2008 or earlier high resolution bathymetry only |
Kuiwai |
active, inferred |
arc volcano |
Kermadec Arc |
-33.1560 |
-179.9560 |
630 |
2002 plume only |
Kana Keoki seamount |
active, inferred |
arc volcano |
Solomons Arc |
-8.7500 |
157.0300 |
650 |
1993 observations did not confirm activity |
Tonga Arc, Volcano A |
active, inferred |
arc volcano |
Tonga Arc |
-20.8600 |
-175.5500 |
700 |
2004 plume only |
Putoto volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-27.6800 |
-177.6100 |
700 |
2004 plume and dredging NZAPLUME III expedition |
Tonga Arc, Volcano D |
active, inferred |
arc volcano |
Tonga Arc |
-19.4500 |
-174.9167 |
760 |
2004 plume only |
Okinawa Trough, Site ES2 |
active, inferred |
back-arc spreading center |
Okinawa Trough |
28.8137 |
128.1028 |
779 |
1992 dredge only |
Aden New Century Mountains |
active, inferred |
mid-ocean ridge |
Aden Ridge |
12.0833 |
45.6667 |
800 |
2000-2001 plume only |
Eolo Seamount |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.5800 |
14.1667 |
800 |
1976 Fe crusts only; 2007 plume only; 2011 ROV Hercules but can not confirm based on Carey et al. (2012) |
Boomerang Seamount |
active, inferred |
mid-ocean ridge |
SEIR |
-37.7217 |
77.8250 |
850 |
1996 plume and wax core 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 |
94SO2 |
active, inferred |
back-arc spreading center |
New Hebrides back-arc |
-19.4000 |
169.9000 |
980 |
1994 towed camera with temperature did not confirm activity |
Tonga Arc, Volcano 14 |
active, inferred |
arc volcano |
Tonga Arc |
-23.5750 |
-176.7050 |
985 |
2003 plume and dredge only |
Reykjanes Ridge, Area B |
active, inferred |
mid-ocean ridge |
Reykjanes Ridge |
59.8167 |
-29.6833 |
1000 |
1992 submersible Mir did not find vents |
Montserrat-Marie Galante fault |
active, inferred |
arc volcano |
Lesser Antilles Arc |
16.4600 |
-61.9820 |
1000 |
1987 plume and deposits |
Komba-ridge |
active, inferred |
arc volcano |
Banda/Sunda Arc |
-7.9800 |
123.8000 |
1000 |
2001 CTD temperature anomaly and dredged sulfides |
Solwara 19 |
active, inferred |
back-arc spreading center |
Manus Basin |
-3.6660 |
148.7640 |
1039 |
2009 commercial ROV Fugro FV300 (activity not confirmed) |
Three Sisters, Middle Sister |
active, inferred |
back-arc spreading center |
Bransfield Strait |
-62.6420 |
-58.9833 |
1040 |
1995 plume only; 1999 still had no visual confirmation |
Tonga Arc, Volcano C |
active, inferred |
arc volcano |
Tonga Arc |
-20.1800 |
-175.2000 |
1050 |
2004 SS11/2004 cruise did not detect hydrothermal activity |
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) |
Fukujin volcano |
active, inferred |
arc volcano |
Mariana Arc |
21.9300 |
143.4700 |
1100 |
1987 deposits only |
Kibblewhite |
active, inferred |
arc volcano |
Kermadec Arc |
-34.5750 |
179.2550 |
1106 |
2002 plume only |
Myojinsho Caldera |
active, inferred |
arc volcano |
Izu-Bonin Arc |
31.8833 |
139.9500 |
1110 |
1988 deposits only; 2005 plume only |
Sonne |
active, inferred |
arc volcano |
Kermadec Arc |
-34.0580 |
179.5890 |
1127 |
2002 plume only |
Haungaroa |
active, inferred |
arc volcano |
Kermadec Arc |
-32.6060 |
-179.6090 |
1165 |
2002 plume only |
Dugong submarine volcano |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.4500 |
-175.7000 |
1170 |
2008 plume only |
Rakahore volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-26.8100 |
-177.4000 |
1200 |
2004 plume and dredging NZAPLUME III expedition |
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 |
Kolbeinsey Ridge, 69 N |
active, inferred |
mid-ocean ridge |
Kolbeinsey Ridge |
68.7581 |
-16.0000 |
1200 |
1980 or earlier sediments only |
Sisifo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7833 |
13.8666 |
1200 |
2007 plume only |
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 |
Solwara 18 |
active, inferred |
back-arc spreading center |
Manus Basin |
-3.0760 |
147.2390 |
1308 |
2008 plumes with some sites subsequently observed with ROV; 2009 commercial ROV Fugro FV300 (activity not confirmed) |
MTJ, V12A-04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9540 |
-174.7110 |
1330 |
2012 plume only |
East Mata submarine volcano |
active, inferred |
arc volcano |
Tonga Arc |
-15.1010 |
-173.6780 |
1350 |
2008 plume only; 2009 plume only |
Tonga Arc, Volcano 15 |
active, inferred |
arc volcano |
Tonga Arc |
-23.9000 |
-176.7800 |
1400 |
2003 plume only |
Tonga Arc, Volcano 16 |
active, inferred |
arc volcano |
Tonga Arc |
-24.1883 |
-176.8217 |
1400 |
2003 plume and dredge only |
seamount, Tikopia area |
active, inferred |
arc volcano |
New Hebrides Arc |
-12.5433 |
167.7883 |
1425 |
1991 submersible Cyana |
Edison Seamount |
active, inferred |
arc volcano |
Tabar-Feni Arc |
-3.3100 |
152.5800 |
1450 |
1994 and 1998 TV grab sampling did not confirm hydrothermal activity |
Rumble II West |
active, inferred |
arc volcano |
Kermadec Arc |
-35.3600 |
178.5170 |
1500 |
1996 dredging only; 1999 plume only |
Red Sea Rift, 18 N |
active, inferred |
mid-ocean ridge |
Red Sea |
17.9667 |
40.0667 |
1500 |
1980 submersible Pisces XI (deposits only) |
Little Volcano |
active, inferred |
back-arc spreading center |
Bransfield Strait |
-62.7500 |
-59.2500 |
1500 |
1995 plume only |
Lobster |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3330 |
-176.2830 |
1500 |
2008 plume and dredge only |
Shaban Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
26.2250 |
35.3500 |
1540 |
1983 deposits only |
Eye of Mordor Seamount |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
1.9410 |
-91.3100 |
1555 |
2005 plume only |
Kebrit Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
24.7233 |
36.2767 |
1590 |
1972 deposits only |
SWIR, 51.7 E |
active, inferred |
mid-ocean ridge |
SWIR |
-37.4660 |
51.7320 |
1595 |
2008 plume and dredge only |
W Los Huellos Caldera |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
1.0000 |
-90.6000 |
1600 |
2005 plume only |
Eva |
active, inferred |
arc volcano |
New Hebrides Arc |
-22.0000 |
170.7500 |
1600 |
2008 plume only |
Sumisu Rift |
active, inferred |
back-arc spreading center |
Izu-Bonin back-arc |
31.1000 |
139.8917 |
1600 |
1987 submersible Alvin inactive chimneys only |
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 |
Central Andaman Trough, seamount crater, dredge 6 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.0000 |
94.0000 |
1640 |
1994 deposits only |
VFR, plume 4 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.3400 |
-176.6590 |
1700 |
2004 plume only |
SW Syoyo |
active, inferred |
arc volcano |
Mariana Arc |
22.3870 |
142.7620 |
1750 |
2003 plume only |
FRSC, RC 129 and CTD 24 plume sites |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.0250 |
-174.5017 |
1750 |
2004 plume only; 2004 dredging |
Duanqiao |
active, inferred |
mid-ocean ridge |
SWIR |
-37.6579 |
50.4671 |
1780 |
2008 video and TV-grab DY115-20 Leg 5; 2015 TV-grab DY125-34 |
NELSC, T08C09 and T08C18 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.4030 |
-174.2630 |
1800 |
2008 plume only |
FRSC, South Central |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.6667 |
-174.5167 |
1820 |
2004 plume only; 2006 plume and chimney samples; 2009 camera tow and sampling (activity not confirmed) |
Magic Mountain, 3-km south |
active, inferred |
mid-ocean ridge |
Explorer Ridge |
49.7250 |
-130.2667 |
1850 |
2002 AUV ABE plume only |
Peggy Ridge |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.9233 |
-176.8250 |
1900 |
1975 or earlier rock samples only; inactive in systematic survey on Arculus cruise SS07/2008 |
VFR, plume 12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.7300 |
-176.4530 |
1910 |
2004 plume only |
Tahi Moana 7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3300 |
-174.2500 |
1940 |
2004 plume only; 2008 plume only; 2009 video camera tow (activity not confirmed) |
VFR, unnamed |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.5150 |
-176.6500 |
1970 |
2004 plume only |
VFR, plume 3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.4000 |
-176.6790 |
1980 |
2004 plume only |
FRSC, 11a-3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.7950 |
-174.5230 |
2000 |
2008 plume only |
MAR, 8 10'S |
active, inferred |
mid-ocean ridge |
S MAR |
-8.1670 |
-13.4670 |
2000 |
2001 plume only |
San Cristobal arc, Target M |
active, inferred |
arc volcano |
Solomons Arc |
-10.4000 |
164.7500 |
2000 |
2002 plume and dredge only |
San Cristobal arc, Target N |
active, inferred |
arc volcano |
Solomons Arc |
-10.5000 |
164.0000 |
2000 |
2002 dredge only |
NELSC, T08C12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.2179 |
-174.1788 |
2000 |
2008 plume only |
Puy des Folles |
active, inferred |
mid-ocean ridge |
N MAR |
20.5083 |
-45.6417 |
2000 |
1996 submersible Nautile observed only inactive vents |
VFR, ELSC7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.8833 |
-176.7500 |
2050 |
2009 plume and dredge only |
Discovery Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
21.2830 |
38.0500 |
2100 |
1965 "confirmed" hot brine and cored seafloor, but see Table 1 in Miller et al. (1966) for historical measurements |
C-ELSC, plume 13 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.4150 |
-176.3720 |
2100 |
2004 plume only |
C-ELSC, plume 14 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.3200 |
-176.3640 |
2100 |
2004 plume only |
AAR KR1, Mujin |
active, inferred |
mid-ocean ridge |
SEIR |
-62.1000 |
158.8000 |
2100 |
2011 plume and biological samples |
MTJ, T08C05 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.5134 |
-174.7407 |
2100 |
2008 plume only |
EPR, 27.7 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-27.7000 |
-112.9170 |
2105 |
1998 plume only |
EPR, 28 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.0170 |
-112.9040 |
2130 |
1998 plume only |
ELSC3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.1667 |
-176.3333 |
2140 |
2009 plume only |
W Syoyo |
active, inferred |
arc volcano |
Mariana Arc |
22.5080 |
142.5330 |
2150 |
2003 plume only |
NWLSC, Southern Caldera |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9000 |
-177.4166 |
2160 |
2008 plume only |
Mata Taha |
active, inferred |
arc volcano |
Lau Basin |
-15.0416 |
-173.7833 |
2160 |
2010 plume only |
Solwara 16 |
active, inferred |
back-arc spreading center |
Manus Basin |
-3.4380 |
149.9670 |
2163 |
2009 commercial ROV Fugro FV300 (activity not confirmed) |
MTJ, PAPATUA |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3850 |
-174.6430 |
2170 |
1986 PAPATUA Expedition deposits only; 2008 plume only |
EPR, 27.9 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-27.8670 |
-112.9120 |
2180 |
1998 plume only |
Momoko |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.6400 |
-176.7210 |
2180 |
1989 submersible Nautile |
NWLSC, Central Caldera |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.8000 |
-177.2666 |
2200 |
2008 plume and dredge only |
Seven Sisters |
active, inferred |
mid-ocean ridge |
Kolbeinsey Ridge |
71.1500 |
-12.7900 |
2200 |
2012 plume only; 2013 ROV Aglantha (may have confirmed); 2013 plume only |
Atlantis II Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
21.3417 |
38.0750 |
2200 |
1965 "confirmed" hot brine and cored seafloor, but see Table 1 in Miller et al. (1966) for historical measurements |
SWIR, 53.2 E |
active, inferred |
mid-ocean ridge |
SWIR |
-36.1010 |
53.2550 |
2218 |
2008 plume and dredge only |
Galapagos Rift, 93.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.4970 |
-93.7700 |
2220 |
2005 plume only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
C-ELSC, plume 18 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.9500 |
-176.2390 |
2230 |
2004 plume only |
C-ELSC, plume 19 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.8700 |
-176.2170 |
2230 |
2004 plume only |
C-ELSC, plume 15 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.2700 |
-176.3470 |
2230 |
2004 plume only |
S AMAR 2 |
active, inferred |
mid-ocean ridge |
N MAR |
35.9670 |
-34.1830 |
2240 |
1992 plume only; 1994 plume only |
CLSC, northern plumes on CL6 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.2833 |
2250 |
2009 plume only |
CLSC, plumes on CL1 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.8667 |
-176.3833 |
2250 |
2009 plume only |
CLSC, southern plumes on CL6 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.5000 |
-176.3833 |
2250 |
2009 plume only |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
FRSC, 14b, 16.11 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.1150 |
-174.5680 |
2250 |
2008 plume only |
CLSC, CL_8 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.0500 |
-176.3333 |
2250 |
2009 plume only |
C-ELSC, plume 17 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.9900 |
-176.2530 |
2270 |
2004 plume only |
GEISEIR site 1, segment J2 |
active, inferred |
mid-ocean ridge |
SEIR |
-39.4400 |
78.0920 |
2270 |
1996 plume only |
MTJ, T08C03 and T08C04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.6100 |
-174.8200 |
2300 |
2008 plume only |
Stockwork |
active, inferred |
mid-ocean ridge |
JdF Ridge |
47.9000 |
-129.1240 |
2300 |
2005 submersible Alvin (need publication to determine if confirmed) |
Mohns Ridge, 72.8 N |
active, inferred |
mid-ocean ridge |
Mohns Ridge |
72.8060 |
4.1650 |
2300 |
2013 plume only |
EPR, southern 16 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
15.5000 |
-105.4000 |
2300 |
1997 plume only |
Pacific-Antarctic Ridge, 60 S segment |
active, inferred |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-60.0000 |
-152.0000 |
2300 |
2009 plume only |
Landing Stage |
active, inferred |
mid-ocean ridge |
SWIR |
-37.5000 |
51.0000 |
2300 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
Pacific-Antarctic Ridge, 64 S segment |
active, inferred |
mid-ocean ridge |
Pacific-Antarctic Ridge |
-64.5000 |
-170.0000 |
2300 |
2009 plume only |
C-ELSC, unnamed |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.1070 |
-176.2920 |
2300 |
2004 (assume submersible Shinkai 6500); 2004 plume only on previous cruise |
EPR, 30.4 S, Segment E2 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.3750 |
-111.7640 |
2320 |
1998 plume only |
Extensional Relay Zone A |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-16.1667 |
177.4167 |
2335 |
1999 towed camera did not confirm activity |
EPR, 31.4 S, Segment E4 |
active, inferred |
mid-ocean ridge |
S EPR |
-31.4330 |
-111.9670 |
2350 |
1998 plume only |
EPR, 28.4 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.4170 |
-112.9640 |
2350 |
1998 plume only |
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, 28.7 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.7000 |
-112.9880 |
2350 |
1998 plume only |
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 |
EPR, 30.8 S, Segment E2 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.7500 |
-111.8770 |
2360 |
1998 plume only |
FRSC, 14b, 16.31 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.3110 |
-174.5550 |
2380 |
2008 plume only |
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 |
GEISEIR site 20, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9508 |
87.8008 |
2400 |
2010 plume only |
GEISEIR site 21, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.0050 |
87.8808 |
2400 |
2010 plume only |
MTJ, T08C03, 15.72 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.7186 |
-174.8338 |
2400 |
2008 plume only |
Galapagos Rift, 94.4 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.5300 |
-94.3300 |
2400 |
2005 plume only |
GEISEIR site 23, segment M2 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.0272 |
89.2205 |
2400 |
2009 plume only |
MTJ, T08C01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9629 |
-174.7961 |
2400 |
2008 plume only |
GEISEIR site 24, segment M3 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.0369 |
91.0357 |
2400 |
2009 plume only |
Nereus Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
23.1670 |
37.2830 |
2400 |
1972 deposits only |
SEIR-WXC06 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
138.5500 |
2400 |
2015 plume only |
GEISEIR site 22, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.1130 |
88.0420 |
2400 |
1996 plume only; 2009 plume only |
Europa |
active, inferred |
mid-ocean ridge |
Mid-Cayman Rise |
18.3500 |
-81.8500 |
2400 |
2009 plume only, not observed on dive with hybrid ROV Nereus |
GEISEIR site 19, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8333 |
87.6266 |
2400 |
2009 GEISEIR 1 and 2010 GEISEIR 2 plume only |
FRSC, Central |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.4917 |
-174.5417 |
2419 |
2004 plume only |
SEIR-WXC07 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
138.3000 |
2420 |
2015 plume only |
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) |
EPR, 30.1 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.1330 |
-111.7640 |
2480 |
1998 plume only |
GEISEIR site 30, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.6240 |
96.0594 |
2500 |
2009 plume only |
GEISEIR site 15, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2230 |
86.3892 |
2500 |
2010 plume only |
Mohns Ridge, 72 N |
active, inferred |
mid-ocean ridge |
Mohns Ridge |
72.0390 |
-0.2520 |
2500 |
1987 plume only; 2013 plume only |
GEISEIR site 16, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.5883 |
87.2615 |
2500 |
2010 plume only |
GEISEIR site 17, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.6498 |
87.3481 |
2500 |
2010 plume only |
GEISEIR site 10, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.4770 |
82.7100 |
2500 |
1996 plume only; 2010 plume only |
GEISEIR site 26, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.6901 |
92.8451 |
2500 |
2009 plume only |
North FAMOUS |
active, inferred |
mid-ocean ridge |
N MAR |
36.9670 |
-32.9670 |
2500 |
1994 plume only |
ET |
active, inferred |
mid-ocean ridge |
JdF Ridge |
48.1993 |
-128.9257 |
2500 |
NotProvided |
GEISEIR site 18, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7133 |
87.4375 |
2500 |
2010 plume only |
GEISEIR site 7, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8020 |
81.8380 |
2540 |
1996 plume only; 2010 plume only |
Merian |
active, inferred |
mid-ocean ridge |
S MAR |
-26.0166 |
-13.8500 |
2550 |
2012 R/V Dayang Yihao; 2013 AUV Abyss plume and side-scan data |
N-ELSC, plume 28 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6500 |
-175.9890 |
2550 |
2004 plume only |
N-ELSC, plume 27 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.7500 |
-176.0190 |
2570 |
2004 plume only; 2009 plume only |
MAR, 25 S |
active, inferred |
mid-ocean ridge |
S MAR |
-25.3350 |
-13.6305 |
2570 |
2013 plume only |
EPR, 29.5 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-29.5000 |
-111.7200 |
2580 |
1998 plume only |
EPR, 8 53'N |
active, inferred |
mid-ocean ridge |
N EPR |
8.9000 |
-104.2000 |
2580 |
1991 plume only |
EPR, 29.8 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-29.8000 |
-111.7300 |
2580 |
1998 plume only |
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) |
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 |
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) |
Mata Ono |
active, inferred |
arc volcano |
Lau Basin |
-14.9333 |
-173.7916 |
2600 |
2010 plume only |
MAR, 7 57'S |
active, inferred |
mid-ocean ridge |
S MAR |
-7.9500 |
-13.4420 |
2600 |
2001 plume only |
EPR, 17 47'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.7900 |
-113.3000 |
2600 |
1993 plume only |
Mata Fa |
active, inferred |
arc volcano |
Lau Basin |
-14.9833 |
-173.8000 |
2600 |
2010 plume only |
GEISEIR site 31, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.8956 |
96.5709 |
2600 |
2009 plume only |
GEISEIR site 32, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.1196 |
96.8947 |
2600 |
2009 plume only |
Lucky Strike segment, southern end |
active, inferred |
mid-ocean ridge |
N MAR |
37.0500 |
-32.4200 |
2600 |
1994 plume only |
GEISEIR site 6, segment K2 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.6600 |
81.6617 |
2600 |
2007 plume only; 2010 plume only |
N-ELSC, plume 26 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8200 |
-176.0420 |
2600 |
2004 plume only |
AMAR |
active, inferred |
mid-ocean ridge |
N MAR |
36.3833 |
-33.6500 |
2600 |
1992 plume only; 1994 plume only |
EPR, 16 43'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.7170 |
-113.0680 |
2600 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
EPR, 7 S |
active, inferred |
mid-ocean ridge |
S EPR |
-7.0000 |
-107.5500 |
2600 |
1985/86 or 1989 TV grab |
EPR, Manzanillo Spreading Segment |
active, inferred |
mid-ocean ridge |
N EPR |
18.2500 |
-106.3000 |
2600 |
1997 plume only |
MAR, 33 S |
active, inferred |
mid-ocean ridge |
S MAR |
-32.9676 |
-14.4517 |
2600 |
2013 plume only |
GEISEIR site 35, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.6179 |
97.8678 |
2600 |
2009 plume only |
GEISEIR site 11, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.5375 |
82.8266 |
2600 |
2010 plume only |
EPR, 22 30'S |
active, inferred |
mid-ocean ridge |
S EPR |
-22.5000 |
-114.3670 |
2600 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
EPR, 17 42'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.7000 |
-113.2500 |
2600 |
1993 plume only |
GEISEIR site 12, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.6600 |
83.0366 |
2600 |
2010 plume only |
N Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
35.2830 |
-34.8670 |
2600 |
1992 plume only |
EPR, 17 53'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.8800 |
-113.3000 |
2610 |
1993 plume only |
SEIR-WXC02 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
137.0000 |
2620 |
2015 plume only |
EPR, 17 56'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.9400 |
-113.3170 |
2620 |
1993 plume only |
EPR, 14 18'S |
active, inferred |
mid-ocean ridge |
S EPR |
-14.3000 |
-112.6670 |
2630 |
1993 plume only |
S AMAR 1 |
active, inferred |
mid-ocean ridge |
N MAR |
36.0830 |
-34.0830 |
2630 |
1992 plume only; 1994 plume only |
EPR, 14 35'S |
active, inferred |
mid-ocean ridge |
S EPR |
-14.5830 |
-112.6670 |
2630 |
1993 plume only |
EPR, 15 24'S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.4000 |
-112.8350 |
2640 |
1993 plume only |
EPR, 16 08'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.1300 |
-113.0000 |
2640 |
1993 plume only |
EPR, 15 S |
active, inferred |
mid-ocean ridge |
S EPR |
-15.0000 |
-112.7700 |
2640 |
1985/86 or 1989 TV grab (need to check references to confirm activity); 1993 plume only |
EPR, 16 24'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.4000 |
-113.0500 |
2640 |
1993 plume only |
EPR, 16 35'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.5830 |
-113.0600 |
2650 |
1993 plume only; 1998 submersible Alvin did not confirm activity |
EPR, 5 S |
active, inferred |
mid-ocean ridge |
S EPR |
-5.0000 |
-106.4000 |
2650 |
1980's camera tows; 1993 and 1998 plume only; 1998 submersible Alvin did not confirm activity |
N-ELSC, plume 25 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8900 |
-176.0640 |
2680 |
2004 plume only |
EPR, 17 S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.0000 |
-113.1170 |
2680 |
1993 plume only |
Galapagos Rift, 94.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.6000 |
-94.7750 |
2690 |
2005 plume only |
EPR, southern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
16.5800 |
-105.3000 |
2700 |
1997 plume only |
GEISEIR site 29, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.9054 |
94.9673 |
2700 |
2009 plume only |
N-ELSC, plume 22 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.4000 |
-176.1580 |
2700 |
2004 plume only |
CIR, 19 29'S |
active, inferred |
mid-ocean ridge |
CIR |
-19.4830 |
65.7330 |
2700 |
1988 plume only; 2000 submersible Nautile did not confirm activity |
GEISEIR site 14, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0716 |
86.1550 |
2700 |
2010 plume only |
GEISEIR site 25, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.3115 |
92.1335 |
2700 |
2009 plume only |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
GEISEIR site 34, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.4145 |
97.4373 |
2700 |
2009 plume only |
GEISEIR site 9, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.9633 |
82.0600 |
2700 |
2010 plume only |
GEISEIR site 27, segment M5 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.9805 |
93.4571 |
2700 |
2009 plume only |
GEISEIR site 36, segment O3 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7009 |
98.0631 |
2700 |
2009 plume only |
GEISEIR site 28, segment M6 |
active, inferred |
mid-ocean ridge |
SEIR |
-44.7237 |
94.6039 |
2700 |
2009 plume only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
MAR, 19 S |
active, inferred |
mid-ocean ridge |
S MAR |
-19.3301 |
-11.9421 |
2707 |
2013 plume only |
EPR, 21 40'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.6340 |
-114.3010 |
2730 |
1987-1988 deposits only |
EPR, mid 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.0000 |
-105.3800 |
2750 |
1997 plume only |
SWIR, 63.9 E |
active, inferred |
mid-ocean ridge |
SWIR |
-27.8510 |
63.9230 |
2759 |
2009 DY115-20 Leg 7 (need reference to confirm activity) |
SEIR-WXC27 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.4000 |
134.3000 |
2760 |
2015 plume only |
SEIR-WXC12 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
136.2500 |
2780 |
2015 plume only |
SEIR-WXC17 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.3000 |
133.8000 |
2780 |
2015 plume only |
GEISEIR site 37, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.7483 |
98.1756 |
2800 |
2009 plume only |
GEISEIR site 13, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.0125 |
86.0608 |
2800 |
2010 plume only |
EPR, 1 S |
active, inferred |
mid-ocean ridge |
S EPR |
-0.8000 |
-102.4600 |
2800 |
2005 plume only |
GEISEIR site 38, segment O4 |
active, inferred |
mid-ocean ridge |
SEIR |
-48.0048 |
98.8232 |
2800 |
2009 plume only |
GEISEIR site 3, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7720 |
79.7530 |
2800 |
1996 plume only |
GEISEIR site 4, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2025 |
81.0625 |
2800 |
2010 plume only |
GEISEIR site 2, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2520 |
79.1030 |
2800 |
1996 plume and dredge only |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |
SWIR, unnamed, Segment 26 |
active, inferred |
mid-ocean ridge |
SWIR |
-37.6080 |
50.8527 |
2800 |
2008 dredge only DY115-20 Leg 6 |
EPR, 21 54'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.9000 |
-114.5000 |
2800 |
1987-1988 deposits only [need to check Fouquet et al. (1993) for confirmation] |
EPR, northern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.6700 |
-105.0050 |
2800 |
1997 plume only |
CIR, Segment 3, Hydrothermal Plume Site |
active, inferred |
mid-ocean ridge |
CIR |
-24.0000 |
69.6667 |
2840 |
1987 plume only; 2005/2006 plume only |
Suakin Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
19.6333 |
38.7333 |
2850 |
1972 deposits only |
GEISEIR site 5, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2420 |
81.1580 |
2860 |
1996 plume only; 2007 plume only |
MAR, 23 S |
active, inferred |
mid-ocean ridge |
S MAR |
-23.7428 |
-13.3936 |
2880 |
2013 plume only |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
EPR, 10 34'S |
active, inferred |
mid-ocean ridge |
S EPR |
-10.5667 |
-110.2800 |
2900 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
EPR, 21 20'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.3670 |
-114.2570 |
2900 |
1981 plume only; 1987-1988 deposits only |
MAR, 27 N |
active, inferred |
mid-ocean ridge |
N MAR |
27.0000 |
-44.5000 |
2900 |
1993 plume only |
Rainbow Bay |
active, inferred |
mid-ocean ridge |
S MAR |
-14.0300 |
-14.3400 |
2900 |
2009 towed video did not confirm activity |
Tevnia |
active, inferred |
mid-ocean ridge |
N EPR |
10.3333 |
-103.5533 |
2925 |
1994 submersible Alvin did not confirm activity |
Mariana Trough, plume 2 |
active, inferred |
back-arc spreading center |
Mariana Trough |
12.7610 |
143.4730 |
2950 |
2003 plume only |
SEIR-WXC22 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
132.1000 |
2950 |
2015 plume only |
MAR, 30.8 S |
active, inferred |
mid-ocean ridge |
S MAR |
-30.8327 |
-13.4690 |
2950 |
2013 plume only |
MAR, south of 15 20'N fracture zone |
active, inferred |
mid-ocean ridge |
N MAR |
15.0833 |
-45.0000 |
3000 |
1988 plume only; 1992 submersible Nautile did not observe active vents |
EPR, 2 S, off-axis |
active, inferred |
mid-ocean ridge |
S EPR |
-2.0840 |
-102.8270 |
3000 |
2008 plume only |
Gakkel Ridge, Site 6 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.5333 |
43.0000 |
3000 |
2001 plume only |
ESR, E5 |
active, inferred |
back-arc spreading center |
East Scotia Ridge |
-57.5000 |
-30.2000 |
3000 |
1999 plume only |
S-OH1 |
active, inferred |
mid-ocean ridge |
N MAR |
34.5330 |
-36.8500 |
3000 |
1996 submersible Nautile did not find active vents; 2000 or earlier plume only |
Chile Triple Junction, 10 km north |
active, inferred |
mid-ocean ridge |
Chile Rise |
-46.2000 |
-75.8333 |
3000 |
2010 plume only |
near Jade Emperor Mountain, on-axis |
active, inferred |
mid-ocean ridge |
SWIR |
-37.8666 |
49.2166 |
3000 |
2010 plume only |
EPR, 20 S |
active, inferred |
mid-ocean ridge |
S EPR |
-20.0333 |
-113.6843 |
3000 |
1999 submersible Alvin did not confirm activity |
Central Spreading Ridge, Station 19 S |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-19.0000 |
173.5000 |
3000 |
1991 submersible Shinkai 6500 did not confirm activity |
Chile Triple Junction |
active, inferred |
mid-ocean ridge |
Chile Rise |
-46.3000 |
-75.8000 |
3000 |
2010 plume only |
Su Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-38.1000 |
48.6000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
Knipovich Ridge, 77 40'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
77.6300 |
7.5800 |
3000 |
2000 plume only |
West Fiji Ridge |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-17.0000 |
176.0000 |
3000 |
1995 deep tow |
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) |
Bai Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-37.9000 |
48.8000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
SEIR-WXC15 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
135.3000 |
3000 |
2015 plume only |
MAR, 31 S |
active, inferred |
mid-ocean ridge |
S MAR |
-31.7377 |
-13.3772 |
3050 |
2013 plume only |
SEIR-WXC25 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
131.9000 |
3050 |
2015 plume only |
Logatchev-3 |
active, inferred |
mid-ocean ridge |
N MAR |
14.7083 |
-44.9667 |
3100 |
1993-1999 (between these dates) |
Pobeda-1 |
active, inferred |
mid-ocean ridge |
N MAR |
17.1500 |
-46.4200 |
3100 |
2014/2015 video profiling, TVgrab and corer |
CIR, 8-17 S, Segment 7 |
active, inferred |
mid-ocean ridge |
CIR |
-17.0000 |
66.8000 |
3100 |
2010 plume only |
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 |
TaiJi |
active, inferred |
mid-ocean ridge |
S MAR |
-13.5900 |
-14.5200 |
3180 |
2011 plume only |
Knipovich Ridge, 75 N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
74.8000 |
8.4417 |
3185 |
2000 plume only |
Galapagos Rift, 95.5 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.6700 |
-95.4500 |
3200 |
1990 submersible Alvin did not confirm activity |
EPR/Tamayo intersection |
active, inferred |
mid-ocean ridge |
N EPR |
22.9333 |
-108.0667 |
3200 |
1979 submersible Alvin did not confirm activity |
SWIR, Plume 6 |
active, inferred |
mid-ocean ridge |
SWIR |
-27.7670 |
65.1330 |
3200 |
1997 plume only |
AAR KR2 |
active, inferred |
mid-ocean ridge |
SEIR |
-60.0000 |
152.5000 |
3200 |
2011 plume only |
MAR, 28 S |
active, inferred |
mid-ocean ridge |
S MAR |
-27.7936 |
-13.3730 |
3217 |
2013 plume only |
S-OH2 |
active, inferred |
mid-ocean ridge |
N MAR |
34.0670 |
-37.4830 |
3250 |
2000 or earlier plume only |
MAR, 17 S |
active, inferred |
mid-ocean ridge |
S MAR |
-17.2522 |
-14.2270 |
3280 |
2013 plume only |
Area EX/FX |
active, inferred |
mid-ocean ridge |
CIR |
-21.4000 |
68.7666 |
3300 |
1986 plume and sediments |
SESCA |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
40.7500 |
-127.5200 |
3300 |
1986 sediments and heat-flow measurements |
Woodlark Basin, Segment 3B |
active, inferred |
back-arc spreading center |
Woodlark Basin |
-9.8000 |
155.0667 |
3300 |
2009 plume only |
Chile Rise, Segment N8 |
active, inferred |
mid-ocean ridge |
Chile Rise |
-38.7167 |
-91.5667 |
3330 |
1998 plume only |
MAR, 27 S |
active, inferred |
mid-ocean ridge |
S MAR |
-27.1476 |
-13.4753 |
3341 |
2013 plume only |
Central Andaman Trough, rift valley, dredges 9 and 10 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.4166 |
94.1666 |
3350 |
1994 deposits only |
Gorda Ridge, GR-15 |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.9500 |
-126.5500 |
3365 |
1985 plume only |
MAR, 30 S |
active, inferred |
mid-ocean ridge |
S MAR |
-29.9505 |
-13.8545 |
3379 |
2013 plume only |
Gorda Ridge, EP96B |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.5500 |
-126.8333 |
3400 |
1984 deposits only; 1996 plume only |
CIR, 8-17 S, Segment 6, 14.75 S |
active, inferred |
mid-ocean ridge |
CIR |
-14.7500 |
66.5000 |
3400 |
2010 plume only |
MAR, 30 N |
active, inferred |
mid-ocean ridge |
N MAR |
30.0333 |
-42.5000 |
3400 |
1993 plume only |
MAR, 43 N |
active, inferred |
mid-ocean ridge |
N MAR |
43.0000 |
-29.0000 |
3400 |
1986 or earlier plume only |
Chile Rise, Segment N9A |
active, inferred |
mid-ocean ridge |
Chile Rise |
-39.0500 |
-91.5833 |
3450 |
1998 plume only |
S Oceanographer |
active, inferred |
mid-ocean ridge |
N MAR |
34.8670 |
-36.4330 |
3460 |
1992 plume only |
Carlsberg Ridge, 63 40'E |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
3.7000 |
63.6666 |
3500 |
2007 plume only |
Carlsberg Ridge, CR2003 |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
6.0500 |
60.9500 |
3500 |
2003 plume only; 2007 plume only |
Area JX |
active, inferred |
mid-ocean ridge |
CIR |
-22.9666 |
69.1833 |
3500 |
1986 plume only (camera tow did not confirm) |
Carlsberg Ridge, 63 50'E |
active, inferred |
mid-ocean ridge |
Carlsberg Ridge |
3.6916 |
63.8333 |
3500 |
2009 plume only; 2012 plume and deposits |
Vityaz megamullion |
active, inferred |
mid-ocean ridge |
CIR |
-5.4000 |
68.5833 |
3500 |
1979 plume and deposits only |
MAR, segment south of St. Paul system |
active, inferred |
mid-ocean ridge |
N MAR |
0.5000 |
-25.0000 |
3500 |
2013 plume only |
Knipovich Ridge, 76 48'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
76.7833 |
8.0000 |
3500 |
1996 temperature anomaly and towed video did not confirm activity |
CIR, 8-17 S, Segment 6, 14.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-14.3000 |
66.1000 |
3500 |
2010 plume only |
CIR, 8-17 S, Segment 3 |
active, inferred |
mid-ocean ridge |
CIR |
-10.6600 |
66.5000 |
3500 |
2010 plume only |
Gakkel Ridge, Site 8 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.5333 |
69.0000 |
3500 |
2001 plume only |
CIR, 8-17 S, Segment 4, 11.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.3000 |
66.4000 |
3500 |
2010 plume only |
Markov Deep |
active, inferred |
mid-ocean ridge |
N MAR |
5.9100 |
-33.1800 |
3500 |
2001-2002 and 2003 dredge only |
CIR, 8-17 S, Segment 4, 10.9 S |
active, inferred |
mid-ocean ridge |
CIR |
-10.9000 |
66.7000 |
3500 |
2010 plume only |
MAR, 14 54'N |
active, inferred |
mid-ocean ridge |
N MAR |
14.9200 |
-44.9000 |
3500 |
1988 or earlier seafloor photographs did not confirm hydrothermal activity |
SWIR, D57 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2240 |
13.7380 |
3517 |
2000-2001 plume and dredge only |
Woodlark Basin, Segment 5B |
active, inferred |
back-arc spreading center |
Woodlark Basin |
-9.2540 |
156.1910 |
3550 |
1986 plume only; 2000 plume only |
Gakkel Ridge, Site 5 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.3500 |
37.0000 |
3600 |
2001 plume only |
CIR, 8-17 S, Segment 1 |
active, inferred |
mid-ocean ridge |
CIR |
-8.2500 |
68.2000 |
3600 |
2010 plume only |
SWIR, Plume 1, Segment 17 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.1830 |
58.5000 |
3600 |
1997 plume only |
Gakkel Ridge, 7.5 E |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
85.0167 |
7.4500 |
3600 |
2001 plume only |
CIR, 8-17 S, Segment 4, 11.2 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.2000 |
66.5000 |
3800 |
2010 plume only |
CIR, 8-17 S, Segment 5, 12.6 S |
active, inferred |
mid-ocean ridge |
CIR |
-12.6000 |
66.1000 |
3800 |
2010 plume only |
Gakkel Ridge, Site 7 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
86.9833 |
55.5000 |
3800 |
2001 plume only |
Mariana Trough, 16.5 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
16.4010 |
144.8700 |
3829 |
2015 plume only |
MAR, 11 26'N |
active, inferred |
mid-ocean ridge |
N MAR |
11.4482 |
-43.7035 |
3835 |
2009 plume only |
Gakkel Ridge, 85 E |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
85.6500 |
84.8333 |
3900 |
2001 plume only; 2007 towed video did not confirm activity |
Station 58, N160 Axis |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-16.3167 |
173.5500 |
3900 |
1985 plume only; 1991 temperature anomalies but submersible Shinkai 6500 did not confirm activity |
Gakkel Ridge, Site 2 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
83.8500 |
-2.0000 |
3900 |
2001 plume only |
SWIR, Plume 3, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-30.8500 |
59.3830 |
3900 |
1997 plume only |
SWIR, D50B |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4200 |
12.7480 |
3913 |
2000-2001 plume and dredge only |
Mariana Trough, 18.2 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
18.1080 |
144.7380 |
3916 |
2015 plume only |
SWIR, D9B |
active, inferred |
mid-ocean ridge |
SWIR |
-52.7070 |
18.8170 |
3931 |
2000-2001 plume and dredge only |
SWIR, D36 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.7490 |
11.7110 |
3981 |
2000-2001 plume and dredge only |
SWIR, D62 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2530 |
15.1030 |
3990 |
2000-2001 plume and dredge only |
CIR, 8-17 S, Segment 5, 12.25 S |
active, inferred |
mid-ocean ridge |
CIR |
-12.2500 |
65.7000 |
4000 |
2010 plume only |
CIR, 8-17 S, Segment 2 |
active, inferred |
mid-ocean ridge |
CIR |
-9.9000 |
66.7500 |
4000 |
2010 plume only |
Lucky B |
active, inferred |
mid-ocean ridge |
Lena Trough |
81.3610 |
-3.4400 |
4000 |
1999 dredging only |
Walsh |
active, inferred |
mid-ocean ridge |
Mid-Cayman Rise |
17.8333 |
-81.8333 |
4000 |
2009 plume only; 2013 plume only |
SWIR, Plume 5 |
active, inferred |
mid-ocean ridge |
SWIR |
-27.9170 |
64.4500 |
4000 |
1997 plume only |
MAR, 4 02'S |
active, inferred |
mid-ocean ridge |
S MAR |
-4.0333 |
-12.2500 |
4000 |
2005 plume only |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
SWIR, D54 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4370 |
13.3120 |
4029 |
2000-2001 plume and dredge 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 |
SWIR, D82 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2080 |
15.5830 |
4100 |
2000-2001 plume only |
Mariana Trough, 14.5 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
14.4870 |
144.0940 |
4120 |
2015 plume only |
SWIR, D20 |
active, inferred |
mid-ocean ridge |
SWIR |
-53.0200 |
22.1880 |
4170 |
2000-2001 plume and dredge only |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
Gakkel Ridge, Site 3 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
84.4333 |
2.1333 |
4300 |
2001 plume only |
Vema Fracture Zone |
active, inferred |
other |
N MAR |
10.7100 |
-42.6800 |
5180 |
2015 plume only |