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 |
Mussel Valley |
active, confirmed |
back-arc spreading center |
North Fiji Basin |
-18.8167 |
173.4833 |
2700 |
1989 submersible Nautile; 1987 plume; 1988 towed camera did not confirm activity |
NELSC, T08C09 and T08C18 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.4030 |
-174.2630 |
1800 |
2008 plume only |
Nifonea Ridge |
active, confirmed |
back-arc spreading center |
New Hebrides back-arc |
-18.1330 |
169.5170 |
1900 |
2001 towed video; 2013 ROV Kiel 6000 black smokers |
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 |
Tripartite Ridge, south of TR3 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.0745 |
175.4729 |
3000 |
NotProvided |
VFR, unnamed |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.5150 |
-176.6500 |
1970 |
2004 plume only |
Misiteli |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.4700 |
-176.7030 |
2050 |
2008 commercial ROV; 2003 plume only |
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 |
Natsushima 84-1 Knoll |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.5750 |
127.1417 |
1600 |
1986 submersible Shinkai 2000 |
FRSC, 14b, 16.31 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.3110 |
-174.5550 |
2380 |
2008 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 |
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 |
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 |
Vienna Woods |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.1667 |
150.2833 |
2500 |
1990 TV-grab (also same year, sampled by submersible Mir); 1985 (or 1986) camera tow vent fauna and inactive chimneys |
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 |
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 |
CLSC, CL_7 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.3667 |
2250 |
2009 plume only |
MTJ, T08C03 and T08C04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.6100 |
-174.8200 |
2300 |
2008 plume only |
western Manus Basin, Bismarck Sea |
inactive |
back-arc spreading center |
Manus Basin |
-3.0000 |
147.0000 |
1800 |
NotProvided |
Tu'i Malila |
active, confirmed |
back-arc spreading center |
Lau Basin |
-21.9876 |
-176.5678 |
1870 |
2005 ROV Jason II; 2004 plume only |
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 |
Solwara 12 |
inactive |
back-arc spreading center |
Manus Basin |
-3.7086 |
151.8834 |
1920 |
2009 commercial ROV Fugro FV300 inactive |