N-ELSC, plume 26 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8200 |
-176.0420 |
2600 |
2004 plume only |
Tripartite Ridge, south of TR1 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.5000 |
177.0000 |
3000 |
NotProvided |
Central Andaman Trough, rift valley, dredges 9 and 10 |
active, inferred |
back-arc spreading center |
Andaman Basin |
10.4166 |
94.1666 |
3350 |
1994 deposits only |
Tahi Moana 1 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.6900 |
-176.1800 |
2256 |
2008 commercial ROV; 2004 plume only |
VFR, plume 4 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.3400 |
-176.6590 |
1700 |
2004 plume only |
FRSC, 14b, 16.31 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.3110 |
-174.5550 |
2380 |
2008 plume only |
N-ELSC, plume 27 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.7500 |
-176.0190 |
2570 |
2004 plume only; 2009 plume only |
CLSC, A3 |
active, confirmed |
back-arc spreading center |
Lau Basin |
-18.6000 |
-176.4500 |
2500 |
1990 submersible Mir |
ABE |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.7619 |
-176.1910 |
2220 |
2004 AUV ABE; 2004 plume only on previous cruise |
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 |
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 |
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 |
Tripartite Ridge, south of TR3 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.0745 |
175.4729 |
3000 |
NotProvided |
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 |
Maka |
active, confirmed |
back-arc spreading center |
Lau Basin |
-15.4217 |
-174.2850 |
1660 |
2008 commercial ROV; 2004 plume only; 2006 plume and chimney samples |
VFR, unnamed |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.5150 |
-176.6500 |
1970 |
2004 plume only |
FRSC, 14b, 16.11 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.1150 |
-174.5680 |
2250 |
2008 plume only |
North Knoll, Iheya Ridge |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.7908 |
126.8966 |
1100 |
1995 deep tow survey |
N-ELSC, plume 28 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6500 |
-175.9890 |
2550 |
2004 plume only |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
western Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.0000 |
147.0000 |
1800 |
NotProvided |
Perseverance |
active, confirmed |
back-arc spreading center |
Mariana Trough |
15.4802 |
144.5077 |
3935 |
2016 ROV SuBastian; 2015 AUV Sentry plume mapping |
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 |
Minami-Ensei Knoll |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
28.3917 |
127.6417 |
740 |
1988 deep tow TV surveys followed by submersible Shinkai 2000; 1986 dredged Calyptogena shells |
Solwara 12 |
inactive |
back-arc spreading center |
Manus Basin |
-3.7086 |
151.8834 |
1920 |
2009 commercial ROV Fugro FV300 inactive |
NWLSC, Central Caldera |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.8000 |
-177.2666 |
2200 |
2008 plume and dredge only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
Central Spreading Ridge, Station 19 S |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-19.0000 |
173.5000 |
3000 |
1991 submersible Shinkai 6500 did not confirm activity |
Sakai |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.5481 |
126.9895 |
1600 |
1988 submersible Shinkai 2000; 1987 plume only |