AAR KR2 |
active, inferred |
mid-ocean ridge |
SEIR |
-60.0000 |
152.5000 |
3200 |
2011 plume 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 |
EPR, 1 S |
active, inferred |
mid-ocean ridge |
S EPR |
-0.8000 |
-102.4600 |
2800 |
2005 plume only |
CIR, 8-17 S, Segment 1 |
active, inferred |
mid-ocean ridge |
CIR |
-8.2500 |
68.2000 |
3600 |
2010 plume only |
Mata Taha |
active, inferred |
arc volcano |
Lau Basin |
-15.0416 |
-173.7833 |
2160 |
2010 plume only |
Gakkel Ridge, Site 2 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
83.8500 |
-2.0000 |
3900 |
2001 plume only |
EPR, 28.7 S, Segment W4 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.7000 |
-112.9880 |
2350 |
1998 plume only |
GEISEIR site 3, segment J4 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.7720 |
79.7530 |
2800 |
1996 plume only |
Monowai Cone |
active, inferred |
arc volcano |
Tonga Arc |
-25.8870 |
-177.1880 |
150 |
1998 R/V Sonne SO-135; 2004 plume only |
SWIR, Plume 2, Segment 16 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.0670 |
58.9670 |
4200 |
1997 plume only |
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, 8 53'N |
active, inferred |
mid-ocean ridge |
N EPR |
8.9000 |
-104.2000 |
2580 |
1991 plume only |
Okinawa Trough, Site ES2 |
active, inferred |
back-arc spreading center |
Okinawa Trough |
28.8137 |
128.1028 |
779 |
1992 dredge only |
Galapagos Rift, 93.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.4970 |
-93.7700 |
2220 |
2005 plume only |
W Syoyo |
active, inferred |
arc volcano |
Mariana Arc |
22.5080 |
142.5330 |
2150 |
2003 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) |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
Knipovich Ridge, 77 40'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
77.6300 |
7.5800 |
3000 |
2000 plume only |
EPR, 17 47'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.7900 |
-113.3000 |
2600 |
1993 plume only |
N-ELSC, plume 25 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8900 |
-176.0640 |
2680 |
2004 plume only |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
Krakatau |
active, inferred |
arc volcano |
Banda/Sunda Arc |
-6.1020 |
105.4230 |
250 |
2002 CTD/transmissometer and dredge only |
Lucky B |
active, inferred |
mid-ocean ridge |
Lena Trough |
81.3610 |
-3.4400 |
4000 |
1999 dredging only |
SEIR-WXC12 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
136.2500 |
2780 |
2015 plume only |
Gorda Ridge, GR-15 |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.9500 |
-126.5500 |
3365 |
1985 plume only |
GEISEIR site 11, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.5375 |
82.8266 |
2600 |
2010 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) |
Mohns Ridge, 72 N |
active, inferred |
mid-ocean ridge |
Mohns Ridge |
72.0390 |
-0.2520 |
2500 |
1987 plume only; 2013 plume only |
Suakin Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
19.6333 |
38.7333 |
2850 |
1972 deposits only |
EPR, 20 S |
active, inferred |
mid-ocean ridge |
S EPR |
-20.0333 |
-113.6843 |
3000 |
1999 submersible Alvin did not confirm activity |