Nagahama Bay, Iwo-dake Volcano |
active, confirmed |
arc volcano |
Ryukyu Arc |
30.7500 |
130.3330 |
26 |
1994 or earlier intertidal; 2008 or earlier SCUBA subtidal |
White Island |
active, confirmed |
back-arc spreading center |
Taupo Volcanic Zone |
-37.5191 |
177.1953 |
30 |
1989 or earlier, likely SCUBA |
Punta Banda |
active, confirmed |
other |
Coastal Baja California |
31.7500 |
-116.7500 |
30 |
1960's commercial abalone divers |
Luise Harbor, Lihir Island |
active, confirmed |
arc volcano |
Tabar-Feni Arc |
-3.1167 |
152.6500 |
30 |
1990 or earlier |
Capo Palinuro |
active, confirmed |
other |
Coastal Italy |
40.0167 |
15.2667 |
30 |
1990 or earlier, likely by SCUBA |
Matupi Harbour, Rabaul caldera, New Britain Island |
active, confirmed |
arc volcano |
Bismarck Arc |
-4.2700 |
152.2000 |
30 |
1961 or earlier intertidal |
Kueishan Island |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
24.8333 |
121.9500 |
30 |
1999, likely by SCUBA |
Whale Island |
active, confirmed |
back-arc spreading center |
Taupo Volcanic Zone |
-37.8600 |
176.9800 |
42 |
1990 or earlier, likely by SCUBA |
Don Joao de Castro Bank |
active, confirmed |
mid-ocean ridge |
Terceira Rift |
38.2300 |
-26.6300 |
45 |
1995 SCUBA |
Prony Bay |
active, confirmed |
other |
|
-22.3333 |
166.8333 |
50 |
1979 or earlier, likely SCUBA |
Espalamaca |
active, confirmed |
intra-plate volcano |
|
38.5500 |
-28.6000 |
50 |
2010 or earlier likely SCUBA |
Ahyi |
active, inferred |
arc volcano |
Mariana Arc |
20.4200 |
145.0300 |
60 |
2003 plume only |
Kraternaya Bight, Ushishir Volcano |
active, confirmed |
arc volcano |
Kuril Arc |
47.5167 |
152.8000 |
60 |
1985 SCUBA |
Eyjafjördur |
active, confirmed |
mid-ocean ridge |
Kolbeinsey Ridge |
65.8500 |
-18.1333 |
65 |
1997, likely by SCUBA |
Minami-Hiyoshi submarine volcano |
active, confirmed |
arc volcano |
Mariana Arc |
23.4970 |
141.9400 |
80 |
2005 ROV HyperDolphin |
Deception Island |
active, confirmed |
back-arc spreading center |
Bransfield Strait |
-62.9500 |
-60.6500 |
100 |
1995 or earlier intertidal |
Gemini-Oscostar Volcanic Complex |
active, inferred |
arc volcano |
New Hebrides Arc |
-20.9830 |
170.2830 |
100 |
2001 deposits and plume; 2004 plume and sulfide samples |
Kolbeinsey Field |
active, confirmed |
mid-ocean ridge |
Kolbeinsey Ridge |
67.0833 |
-18.7167 |
110 |
1988 submersible GEO |
Wagner Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
31.0666 |
-114.0833 |
120 |
2007 echosounder and grab samples |
Vulkanolog |
active, confirmed |
arc volcano |
Kermadec Arc |
-30.6870 |
-178.4530 |
130 |
1979 and 1998 (need to check references); 2002 plume not detected NZAPLUME II |
Consag Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
30.6333 |
-113.9083 |
140 |
2007 echosounder and grab samples |
Zealandia |
active, inferred |
arc volcano |
Mariana Arc |
16.8800 |
145.8500 |
144 |
2003 plume only; 2009 or earlier ROV did not confirm activity |
Maug Caldera |
active, confirmed |
arc volcano |
Mariana Arc |
20.0200 |
145.2200 |
145 |
2003 SCUBA shallow vents; 2004 ROV ROPOS deeper vents; 2003 plume only deeper vents |
Monowai Cone |
active, inferred |
arc volcano |
Tonga Arc |
-25.8870 |
-177.1880 |
150 |
1998 R/V Sonne SO-135; 2004 plume only |
Macdonald Seamount |
active, confirmed |
intra-plate volcano |
Central Pacific |
-28.9833 |
-140.2500 |
150 |
1989 submersible Cyana |
Giggenbach volcano |
active, confirmed |
arc volcano |
Kermadec Arc |
-30.0333 |
-178.7167 |
180 |
2005 submersible PISCES V; 2002 plume only |
Kagoshima Bay |
active, confirmed |
arc volcano |
Ryukyu Arc |
31.6583 |
130.8000 |
200 |
1993 towed TV system (Haorimushi site); 2007 ROV Hyper-dolphin (Tagiri site) |
Panarea |
active, confirmed |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6583 |
15.1000 |
200 |
1800's shallow vents; 1995 deeper vents ROV Comex |
Milos |
active, confirmed |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6667 |
24.5167 |
200 |
1987 or earlier, likely by SCUBA; 1992 Minirover ROV deeper sites |
Tonga Arc, Volcano 4 |
active, inferred |
arc volcano |
Tonga Arc |
-22.0670 |
-176.2080 |
200 |
2003 plume and dredge only |