Tow Cam |
active, confirmed |
back-arc spreading center |
Lau Basin |
-20.3169 |
-176.1367 |
2700 |
2004 AUV ABE; 2004 plume only on previous cruise |
Baby Bare Seamount |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
47.7100 |
-127.7870 |
2600 |
1995 submersible Alvin |
Saldanha |
active, confirmed |
mid-ocean ridge |
N MAR |
36.5667 |
-33.4333 |
2300 |
1998 submersible Nautile |
Taketomi Thermal Area |
active, confirmed |
arc volcano |
Ryukyu Arc |
24.3483 |
124.1017 |
23 |
1987 or earlier, likely by SCUBA |
EPR, 9 30'N |
active, confirmed |
mid-ocean ridge |
N EPR |
9.5167 |
-104.2414 |
2580 |
1989 Argo I towed video |
Vulcano |
active, confirmed |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.4000 |
15.0000 |
8 |
1960's shallow vents |
Yali |
active, confirmed |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6600 |
27.1300 |
3 |
1991 or earlier, from beach |
EPR, 18 15'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-18.2500 |
-113.3500 |
2680 |
1993 submersible Nautile |
Forecast |
active, confirmed |
arc volcano |
Mariana Arc |
13.4000 |
143.9166 |
1470 |
1992 submersible Shinkai 6500 |
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 |
Grimsey Field |
active, confirmed |
mid-ocean ridge |
Kolbeinsey Ridge |
66.6067 |
-17.6542 |
400 |
1997 submersible Jago |
Si'iSi'i |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.2900 |
-176.6290 |
1950 |
2008 commercial ROV; 2003 plume only |
Clark volcano |
active, confirmed |
arc volcano |
Kermadec Arc |
-36.4490 |
177.8400 |
930 |
2005 submersible Pisces V; 1999 plume only |
El Hierro, Tagoro |
active, confirmed |
intra-plate volcano |
|
27.6200 |
-17.9900 |
350 |
2016 submersible JAGO, 2017 ROV Liropus 2000, 2011 water column sampling |
Solwara 13 |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.7320 |
151.7465 |
2000 |
2009 commercial ROV Fugro FV300; 1993 plume only |
Precious Stone Mountain |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
1.2200 |
-101.4900 |
1700 |
2009 deep-tow video and TV grab |
Higashi-Ensei |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
28.4393 |
128.1724 |
1220 |
2016 ROV Kaiko dives 723 and 724 |
EPR, 7 25'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-7.4167 |
-107.8000 |
2750 |
1985/86 or 1989 TV grab (need to check references to confirm activity); 1998 submersible Alvin |
Magic Mountain |
active, confirmed |
mid-ocean ridge |
Explorer Ridge |
49.7500 |
-130.2667 |
1850 |
1984 submersible Pisces IV |
Menez Gwen |
active, confirmed |
mid-ocean ridge |
N MAR |
37.8417 |
-31.5250 |
865 |
1994 submersible Nautile |
Mariana Mounds |
active, confirmed |
back-arc spreading center |
Mariana Trough |
18.0333 |
144.2833 |
3600 |
1987 submersible Alvin |
Punta Banda |
active, confirmed |
other |
Coastal Baja California |
31.7500 |
-116.7500 |
30 |
1960's commercial abalone divers |
Jaco Scar |
active, confirmed |
arc volcano |
Costa Rica fore arc |
9.1175 |
-84.8397 |
1790 |
2009 submersible Alvin |
Central Cleft, off-axis |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
44.7583 |
-130.2750 |
2200 |
2000 ROV Tiburon |
Nibelungen |
active, confirmed |
mid-ocean ridge |
S MAR |
-8.3000 |
-13.5200 |
2900 |
2006 AUV ABE followed by ROV Quest; 2004 plume only |
Akuseki-jima |
active, confirmed |
arc volcano |
Ryukyu Arc |
29.4610 |
129.5970 |
5 |
1993 or earlier, likely by SCUBA |
Ruby |
active, confirmed |
arc volcano |
Mariana Arc |
15.6200 |
145.5700 |
214 |
2006 ROV Jason II; 2003 plume only |
Kraternaya Bight, Ushishir Volcano |
active, confirmed |
arc volcano |
Kuril Arc |
47.5167 |
152.8000 |
60 |
1985 SCUBA |
East Blanco Depression |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
44.2170 |
-129.6250 |
3460 |
1994 ROV U.S. Navy's Advanced Tethered Vehicle |
Banda Api |
active, confirmed |
arc volcano |
Banda/Sunda Arc |
-4.5250 |
129.8710 |
3 |
1993 SCUBA |