Tonga Arc, Volcano C |
active, inferred |
arc volcano |
Tonga Arc |
-20.1800 |
-175.2000 |
1050 |
2004 SS11/2004 cruise did not detect hydrothermal activity |
C-ELSC, plume 14 |
active, inferred |
back-arc spreading center |
Lau Basin |
-21.3200 |
-176.3640 |
2100 |
2004 plume only |
EPR/Tamayo intersection |
active, inferred |
mid-ocean ridge |
N EPR |
22.9333 |
-108.0667 |
3200 |
1979 submersible Alvin did not confirm activity |
GEISEIR site 15, segment L1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2230 |
86.3892 |
2500 |
2010 plume only |
EPR, 17 47'S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.7900 |
-113.3000 |
2600 |
1993 plume only |
MAR, 33 S |
active, inferred |
mid-ocean ridge |
S MAR |
-32.9676 |
-14.4517 |
2600 |
2013 plume only |
Tonga Arc, Volcano 15 |
active, inferred |
arc volcano |
Tonga Arc |
-23.9000 |
-176.7800 |
1400 |
2003 plume only |
MAR, 43 N |
active, inferred |
mid-ocean ridge |
N MAR |
43.0000 |
-29.0000 |
3400 |
1986 or earlier plume only |
EPR, 14 18'S |
active, inferred |
mid-ocean ridge |
S EPR |
-14.3000 |
-112.6670 |
2630 |
1993 plume only |
Discovery Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
21.2830 |
38.0500 |
2100 |
1965 "confirmed" hot brine and cored seafloor, but see Table 1 in Miller et al. (1966) for historical measurements |
Rumble II West |
active, inferred |
arc volcano |
Kermadec Arc |
-35.3600 |
178.5170 |
1500 |
1996 dredging only; 1999 plume only |
N-ELSC, plume 29 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.6000 |
-175.9750 |
2700 |
2004 plume only |
SWIR, unnamed, Segment 26 |
active, inferred |
mid-ocean ridge |
SWIR |
-37.6080 |
50.8527 |
2800 |
2008 dredge only DY115-20 Leg 6 |
GEISEIR site 21, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.0050 |
87.8808 |
2400 |
2010 plume only |
Tangyin |
active, inferred |
back-arc spreading center |
Okinawa Trough |
25.0667 |
122.5667 |
1206 |
2014 likely by dredging or ROV during the HOBAB3 cruise on R/V Kexue |
CIR, Segment 3, Hydrothermal Plume Site |
active, inferred |
mid-ocean ridge |
CIR |
-24.0000 |
69.6667 |
2840 |
1987 plume only; 2005/2006 plume only |
EPR, 20 S |
active, inferred |
mid-ocean ridge |
S EPR |
-20.0333 |
-113.6843 |
3000 |
1999 submersible Alvin did not confirm activity |
SWIR, D54 |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4370 |
13.3120 |
4029 |
2000-2001 plume and dredge only |
EPR, 28.3 S, Segment W3 |
active, inferred |
mid-ocean ridge |
S EPR |
-28.3000 |
-112.9830 |
2220 |
1998 plume only |
MAR, segment south of St. Paul system |
active, inferred |
mid-ocean ridge |
N MAR |
0.5000 |
-25.0000 |
3500 |
2013 plume only |
GEISEIR site 7, segment K3 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.8020 |
81.8380 |
2540 |
1996 plume only; 2010 plume only |
East Mata submarine volcano |
active, inferred |
arc volcano |
Tonga Arc |
-15.1010 |
-173.6780 |
1350 |
2008 plume only; 2009 plume only |
Little Volcano |
active, inferred |
back-arc spreading center |
Bransfield Strait |
-62.7500 |
-59.2500 |
1500 |
1995 plume only |
Lobster |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3330 |
-176.2830 |
1500 |
2008 plume and dredge only |
Secca del Capo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6333 |
14.8500 |
240 |
1995 ROV Comex deposits only; 2007 plume only |
Tevnia |
active, inferred |
mid-ocean ridge |
N EPR |
10.3333 |
-103.5533 |
2925 |
1994 submersible Alvin did not confirm activity |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
NELSC, T08C09 and T08C18 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.4030 |
-174.2630 |
1800 |
2008 plume only |
FRSC, Central |
active, inferred |
back-arc spreading center |
Lau Basin |
-16.4917 |
-174.5417 |
2419 |
2004 plume only |
Gamble volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-27.2000 |
-177.4100 |
250 |
2004 plume and dredging NZAPLUME III expedition |