Philippine Ridge, West Philippine Basin |
inactive |
back-arc spreading center |
West Philippine Basin |
12.0000 |
131.4170 |
5800 |
NotProvided |
Solwara 17 |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.0380 |
147.5280 |
535 |
2009 commercial ROV Fugro FV300; 2008 plumes with some sites subsequently observed with ROV |
Tahi Moana 1 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.6900 |
-176.1800 |
2256 |
2008 commercial ROV; 2004 plume only |
N-ELSC, plume 25 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8900 |
-176.0640 |
2680 |
2004 plume only |
White Church |
active, confirmed |
back-arc spreading center |
Lau Basin |
-21.9612 |
-176.5234 |
1960 |
1989 submersible Nautile; 2004 plume survey |
ESR, E9 |
active, confirmed |
back-arc spreading center |
East Scotia Ridge |
-60.0500 |
-29.9300 |
2402 |
2009 towed video; 1999 plume only; 2010 ROV Isis |
NE Pual |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.6754 |
151.7272 |
1875 |
2006 ROV Jason II |
CLSC, southern plumes on CL6 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.5000 |
-176.3833 |
2250 |
2009 plume only |
SPOT, Yonaguni Knoll IV |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
24.8490 |
122.7000 |
1385 |
2000 submersibles Shinkai 2000 and Shinkai 6500 |
CLSC, A3 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-18.6000 |
-176.4500 |
2500 |
1990 submersible Mir |
NELSC, T08C12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.2179 |
-174.1788 |
2000 |
2008 plume only |
Hafa Adai |
active, confirmed |
back-arc spreading center |
Mariana Trough |
16.9570 |
144.8680 |
3294 |
2016 ROV Deep Discoverer; 2015 AUV Sentry plume mapping |
VFR, plume 3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.4000 |
-176.6790 |
1980 |
2004 plume only |
Alice Springs Field |
active, confirmed |
back-arc spreading center |
Mariana Trough |
18.2103 |
144.7073 |
3640 |
1987 submersible Alvin; 1982 plume only |
FRSC, 14b, 16.31 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.3110 |
-174.5550 |
2380 |
2008 plume only |
Hine Hina |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.5300 |
-176.6970 |
1900 |
1989 submersible Nautile |
C-ELSC, plume 14 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.3200 |
-176.3640 |
2100 |
2004 plume only |
Tripartite Ridge, south of TR1 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.5000 |
177.0000 |
3000 |
NotProvided |
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) |
central Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.4199 |
150.1681 |
2500 |
NotProvided |
N-ELSC, plume 26 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8200 |
-176.0420 |
2600 |
2004 plume only |
White Lady |
active, confirmed |
back-arc spreading center |
North Fiji Basin |
-16.9833 |
173.9167 |
2000 |
1988 towed camera and plume; 1989 submersible Nautile |
Tarama Knoll |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
25.0916 |
124.5416 |
1990 |
2009 ROV HyperDolphin |
Kilo Moana |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.0532 |
-176.1336 |
2620 |
2004 AUV ABE; 2004 plume only on previous cruise |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
Tafu |
active, confirmed |
back-arc spreading center |
Lau Basin |
-15.3833 |
-174.2500 |
1400 |
2008 or 2009 commercial ROV; 2008 plume only; 2009 ROV Jason II |
MTJ, V12A-04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9540 |
-174.7110 |
1330 |
2012 plume only |
Franklin Seamount |
active, confirmed |
back-arc spreading center |
Woodlark Basin |
-9.9083 |
151.8300 |
2366 |
1990 submersible Mir |
VFR, plume 4 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.3400 |
-176.6590 |
1700 |
2004 plume only |
C-ELSC, plume 15 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.2700 |
-176.3470 |
2230 |
2004 plume only |