W Syoyo |
active, inferred |
arc volcano |
Mariana Arc |
22.5080 |
142.5330 |
2150 |
2003 plume only |
Kana Keoki seamount |
active, inferred |
arc volcano |
Solomons Arc |
-8.7500 |
157.0300 |
650 |
1993 observations did not confirm activity |
MAR, 11 26'N |
active, inferred |
mid-ocean ridge |
N MAR |
11.4482 |
-43.7035 |
3835 |
2009 plume only |
Knipovich Ridge, 77 40'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
77.6300 |
7.5800 |
3000 |
2000 plume only |
SEIR-WXC07 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
138.3000 |
2420 |
2015 plume only |
Shaban Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
26.2250 |
35.3500 |
1540 |
1983 deposits only |
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 |
EPR, 16 08'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.1300 |
-113.0000 |
2640 |
1993 plume only |
MAR, 4 02'S |
active, inferred |
mid-ocean ridge |
S MAR |
-4.0333 |
-12.2500 |
4000 |
2005 plume only |
Markov Deep |
active, inferred |
mid-ocean ridge |
N MAR |
5.9100 |
-33.1800 |
3500 |
2001-2002 and 2003 dredge only |
Boomerang Seamount |
active, inferred |
mid-ocean ridge |
SEIR |
-37.7217 |
77.8250 |
850 |
1996 plume and wax core 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) |
EPR, southern 16 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
15.5000 |
-105.4000 |
2300 |
1997 plume only |
Vema Fracture Zone |
active, inferred |
other |
N MAR |
10.7100 |
-42.6800 |
5180 |
2015 plume only |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |
EPR, 17 S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.0000 |
-113.1170 |
2680 |
1993 plume only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
GEISEIR site 31, segment O1 |
active, inferred |
mid-ocean ridge |
SEIR |
-46.8956 |
96.5709 |
2600 |
2009 plume only |
Chile Rise, Segment N8 |
active, inferred |
mid-ocean ridge |
Chile Rise |
-38.7167 |
-91.5667 |
3330 |
1998 plume only |
VC7 |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.5608 |
25.5250 |
320 |
2010 ROV Hercules |
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) |
Galapagos Rift, 94.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.6000 |
-94.7750 |
2690 |
2005 plume only |
Suakin Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
19.6333 |
38.7333 |
2850 |
1972 deposits only |
Mariana Trough, 16.5 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
16.4010 |
144.8700 |
3829 |
2015 plume only |
MAR, 11 N |
active, inferred |
mid-ocean ridge |
N MAR |
11.0380 |
-43.6483 |
4010 |
1984 plume only; 2009 plume only |
EPR, 21 40'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.6340 |
-114.3010 |
2730 |
1987-1988 deposits 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 |
Area JX |
active, inferred |
mid-ocean ridge |
CIR |
-22.9666 |
69.1833 |
3500 |
1986 plume only (camera tow did not confirm) |
CIR, 8-17 S, Segment 4, 10.9 S |
active, inferred |
mid-ocean ridge |
CIR |
-10.9000 |
66.7000 |
3500 |
2010 plume only |
GEISEIR site 8, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8833 |
81.9816 |
2800 |
2010 plume only |