FRSC, 11a-3 |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.7950 |
-174.5230 |
2000 |
2008 plume only |
Kilo Moana |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.0532 |
-176.1336 |
2620 |
2004 AUV ABE; 2004 plume only on previous cruise |
13 N Ridge Site |
active, confirmed |
back-arc spreading center |
Mariana Trough |
13.0987 |
143.6886 |
3036 |
2000 deep-tow camera (later, same year - ROV Kaiko) |
CLSC, CL_8 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.0500 |
-176.3333 |
2250 |
2009 plume only |
Little Volcano |
active, inferred |
back-arc spreading center |
Bransfield Strait |
-62.7500 |
-59.2500 |
1500 |
1995 plume only |
MTJ, T08C03, 15.72 S |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.7186 |
-174.8338 |
2400 |
2008 plume only |
Tripartite Ridge, south of TR1 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.5000 |
177.0000 |
3000 |
NotProvided |
TELVE |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.1667 |
-176.6040 |
1760 |
2008 commercial ROV; 2003 plume only |
C-ELSC, plume 19 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.8700 |
-176.2170 |
2230 |
2004 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 |
east of Central Spreading Ridge |
inactive |
back-arc spreading center |
North Fiji Basin |
-15.4510 |
174.6902 |
3000 |
NotProvided |
VFR, plume 4 |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.3400 |
-176.6590 |
1700 |
2004 plume only |
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 |
Kulo Lasi |
active, confirmed |
back-arc spreading center |
Lau Basin |
-14.9200 |
-177.2500 |
1478 |
2010 submersible Nautile |
FRSC, T12A-01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.7850 |
-174.5260 |
500 |
2012 plume only |
MTJ, PAPATUA |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3850 |
-174.6430 |
2170 |
1986 PAPATUA Expedition deposits only; 2008 plume only |
Woodlark Basin, Segment 3B |
active, inferred |
back-arc spreading center |
Woodlark Basin |
-9.8000 |
155.0667 |
3300 |
2009 plume only |
Yoron Hole |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
27.4916 |
127.5333 |
590 |
2010 ROV Hyperdolphin |
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 |
CLSC, northern plumes on CL6 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.1333 |
-176.2833 |
2250 |
2009 plume only |
Niuatahi |
active, confirmed |
back-arc spreading center |
Lau Basin |
-15.3790 |
-174.0196 |
1635 |
2009 ROV Jason II; 2003 plume only; 2004 dredging (SS11/2004 cruise); 2005 plume only; 2008 commercial ROV (report does not confirm activity) |
MTJ, T08C01 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.9629 |
-174.7961 |
2400 |
2008 plume only |
Tripartite Ridge, south of TR3 |
inactive |
back-arc spreading center |
North Fiji Basin |
-14.0745 |
175.4729 |
3000 |
NotProvided |
Temakons |
active, confirmed |
back-arc spreading center |
New Hebrides back-arc |
-17.5667 |
169.1000 |
1400 |
1994 towed camera with temperature |
Misiteli |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.4700 |
-176.7030 |
2050 |
2008 commercial ROV; 2003 plume only |
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 |
Solwara 16 |
active, inferred |
back-arc spreading center |
Manus Basin |
-3.4380 |
149.9670 |
2163 |
2009 commercial ROV Fugro FV300 (activity not confirmed) |
VFR, unnamed |
active, inferred |
back-arc spreading center |
Lau Basin |
-22.5150 |
-176.6500 |
1970 |
2004 plume only |
Hawaiian Ridge |
inactive |
intra-plate volcano |
Central Pacific |
15.0000 |
-157.5000 |
5000 |
1987 or earlier |
Macdonald Seamount |
active, confirmed |
intra-plate volcano |
Central Pacific |
-28.9833 |
-140.2500 |
150 |
1989 submersible Cyana |