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 |
EPR, southern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
16.5800 |
-105.3000 |
2700 |
1997 plume only |
VFR, ELSC7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.8833 |
-176.7500 |
2050 |
2009 plume and dredge only |
Montserrat-Marie Galante fault |
active, inferred |
arc volcano |
Lesser Antilles Arc |
16.4600 |
-61.9820 |
1000 |
1987 plume and deposits |
NELSC, T08C12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.2179 |
-174.1788 |
2000 |
2008 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 |
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 |
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 |
MAR, 17 S |
active, inferred |
mid-ocean ridge |
S MAR |
-17.2522 |
-14.2270 |
3280 |
2013 plume only |
EPR, 17 S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.0000 |
-113.1170 |
2680 |
1993 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 |
Area EX/FX |
active, inferred |
mid-ocean ridge |
CIR |
-21.4000 |
68.7666 |
3300 |
1986 plume and sediments |
East Mata submarine volcano |
active, inferred |
arc volcano |
Tonga Arc |
-15.1010 |
-173.6780 |
1350 |
2008 plume only; 2009 plume only |
GEISEIR site 15, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2230 |
86.3892 |
2500 |
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 |
Haungaroa |
active, inferred |
arc volcano |
Kermadec Arc |
-32.6060 |
-179.6090 |
1165 |
2002 plume only |
GEISEIR site 10, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.4770 |
82.7100 |
2500 |
1996 plume only; 2010 plume only |
EPR, 28 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.0170 |
-112.9040 |
2130 |
1998 plume only |
Sisifo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7833 |
13.8666 |
1200 |
2007 plume only |
SWIR, unnamed, Segment 26 |
active, inferred |
mid-ocean ridge |
SWIR |
-37.6080 |
50.8527 |
2800 |
2008 dredge only DY115-20 Leg 6 |
FRSC, 14b, 16.31 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.3110 |
-174.5550 |
2380 |
2008 plume only |
EPR, 21 40'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.6340 |
-114.3010 |
2730 |
1987-1988 deposits only |
W Los Huellos Caldera |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
1.0000 |
-90.6000 |
1600 |
2005 plume only |
SWIR, D57 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.2240 |
13.7380 |
3517 |
2000-2001 plume and dredge 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 |
GEISEIR site 26, segment M4 |
active, inferred |
mid-ocean ridge |
SEIR |
-43.6901 |
92.8451 |
2500 |
2009 plume only |
SEIR-WXC25 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
131.9000 |
3050 |
2015 plume only |
Naung |
active, inferred |
arc volcano |
Sangihe Arc |
3.7791 |
125.3750 |
600 |
2001 dredge only, 2003 CTD only |
Sonne |
active, inferred |
arc volcano |
Kermadec Arc |
-34.0580 |
179.5890 |
1127 |
2002 plume only |
CLSC, plumes on CL1 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.8667 |
-176.3833 |
2250 |
2009 plume only |