White Lady |
active, confirmed |
back-arc spreading center |
North Fiji Basin |
-16.9833 |
173.9167 |
2000 |
1988 towed camera and plume; 1989 submersible Nautile |
NELSC, T08C12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.2179 |
-174.1788 |
2000 |
2008 plume only |
FRSC, 11a-3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.7950 |
-174.5230 |
2000 |
2008 plume only |
Franklin Seamount |
active, confirmed |
back-arc spreading center |
Woodlark Basin |
-9.9083 |
151.8300 |
2366 |
1990 submersible Mir |
CLSC, northern plumes on CL6 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.2833 |
2250 |
2009 plume only |
C-ELSC, plume 14 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.3200 |
-176.3640 |
2100 |
2004 plume only |
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 |
VFR, ELSC7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.8833 |
-176.7500 |
2050 |
2009 plume and dredge only |
ABE |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.7619 |
-176.1910 |
2220 |
2004 AUV ABE; 2004 plume only on previous cruise |
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 |
Tahi Moana 2 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-21.9200 |
-176.5330 |
1870 |
1989 submersible Nautile (need reference to check if activity confirmed); 2004 plume only; 2008 commercial ROV (report does not confirm activity) |
Central Andaman Trough, seamount crater, dredge 6 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.0000 |
94.0000 |
1640 |
1994 deposits 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 |
FRSC, T12A-01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.7850 |
-174.5260 |
500 |
2012 plume only |
FRSC, Central |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.4917 |
-174.5417 |
2419 |
2004 plume only |
CLSC, plumes on CL1 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.8667 |
-176.3833 |
2250 |
2009 plume only |
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 |
C-ELSC, plume 15 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.2700 |
-176.3470 |
2230 |
2004 plume only |
Momoko |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.6400 |
-176.7210 |
2180 |
1989 submersible Nautile |
Hook Ridge |
active, confirmed |
back-arc spreading center |
Bransfield Strait |
-62.1940 |
-57.2745 |
1080 |
1997 hot sediment; 1995 plume only; 1999 even hotter sediment |
Solwara 12 |
inactive |
back-arc spreading center |
Manus Basin |
-3.7086 |
151.8834 |
1920 |
2009 commercial ROV Fugro FV300 inactive |
east of Central Spreading Ridge |
inactive |
back-arc spreading center |
North Fiji Basin |
-15.4510 |
174.6902 |
3000 |
NotProvided |
VFR, plume 12 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.7300 |
-176.4530 |
1910 |
2004 plume 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) |
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 |
North Knoll, Iheya Ridge |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.7908 |
126.8966 |
1100 |
1995 deep tow survey |
Woodlark Basin, Segment 3B |
active, inferred |
back-arc spreading center |
Woodlark Basin |
-9.8000 |
155.0667 |
3300 |
2009 plume only |
MTJ, T08C05 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.5134 |
-174.7407 |
2100 |
2008 plume only |
Solwara 13 |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.7320 |
151.7465 |
2000 |
2009 commercial ROV Fugro FV300; 1993 plume 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 |