Tahi Moana 1 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.6900 |
-176.1800 |
2256 |
2008 commercial ROV; 2004 plume only |
C-ELSC, plume 17 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.9900 |
-176.2530 |
2270 |
2004 plume only |
White Church |
active, confirmed |
back-arc spreading center |
Lau Basin |
-21.9612 |
-176.5234 |
1960 |
1989 submersible Nautile; 2004 plume survey |
Mariana Mounds |
active, confirmed |
back-arc spreading center |
Mariana Trough |
18.0333 |
144.2833 |
3600 |
1987 submersible Alvin |
CLSC, A3 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-18.6000 |
-176.4500 |
2500 |
1990 submersible Mir |
Yokosuka |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
25.2638 |
124.3733 |
2190 |
2016 ROV Kaiko; 2014 plume only |
ABE |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.7619 |
-176.1910 |
2220 |
2004 AUV ABE; 2004 plume only on previous cruise |
MTJ, T08C05 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.5134 |
-174.7407 |
2100 |
2008 plume only |
DESMOS Cauldron |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.6958 |
151.8717 |
2000 |
1990 deep-sea monitoring system (DESMOS) video and still cameras |
N-ELSC, plume 22 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.4000 |
-176.1580 |
2700 |
2004 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) |
PACMANUS field |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.7250 |
151.6700 |
1800 |
1991 deep-tow camera and video; 1995 submersible Shinkai 6500 |
Vai Lili |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.2151 |
-176.6083 |
1764 |
1989 submersible Nautile |
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 |
Solwara 11 |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.1667 |
147.1917 |
1500 |
2008 commercial ROV; 2000 submersible Nautile did not confirm activity |
MTJ, V12A-04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9540 |
-174.7110 |
1330 |
2012 plume only |
Central Andaman Trough, seamount crater, dredge 6 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.0000 |
94.0000 |
1640 |
1994 deposits only |
central Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.4199 |
150.1681 |
2500 |
NotProvided |
C-ELSC, plume 18 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.9500 |
-176.2390 |
2230 |
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 |
Mariana Trough, plume 2 |
active, inferred |
back-arc spreading center |
Mariana Trough |
12.7610 |
143.4730 |
2950 |
2003 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 |
Lobster |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3330 |
-176.2830 |
1500 |
2008 plume and dredge only |
North Knoll, Iheya Ridge |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.7908 |
126.8966 |
1100 |
1995 deep tow survey |
Hine Hina |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.5300 |
-176.6970 |
1900 |
1989 submersible Nautile |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
Higashi-Ensei |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
28.4393 |
128.1724 |
1220 |
2016 ROV Kaiko dives 723 and 724 |
MTJ, T08C03 and T08C04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.6100 |
-174.8200 |
2300 |
2008 plume only |
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 |
Mariana Trough, 14.5 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
14.4870 |
144.0940 |
4120 |
2015 plume only |