High-Rise Field |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
47.9666 |
-129.0894 |
2200 |
1988 submersible Alvin |
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) |
SPOT, Yonaguni Knoll IV |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
24.8490 |
122.7000 |
1385 |
2000 submersibles Shinkai 2000 and Shinkai 6500 |
Pito Seamount |
active, confirmed |
mid-ocean ridge |
S EPR |
-23.3275 |
-111.6402 |
2270 |
1993 submersible Nautile |
Rainbow |
active, confirmed |
mid-ocean ridge |
N MAR |
36.2300 |
-33.9020 |
2320 |
1997 submersible Nautile |
Yokosuka |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
25.2638 |
124.3733 |
2190 |
2016 ROV Kaiko; 2014 plume only |
EPR, 10 44.6'N |
active, confirmed |
mid-ocean ridge |
N EPR |
10.7433 |
-103.6500 |
2580 |
1985 Argo video tow with temperature |
Teahitia seamount |
active, confirmed |
intra-plate volcano |
Central Pacific |
-17.5670 |
-148.8167 |
1460 |
1983 submersible Cyana |
Menez Hom |
active, confirmed |
mid-ocean ridge |
N MAR |
37.1500 |
-32.4333 |
1802 |
2002 ROV Victor 6000 |
Banda Api |
active, confirmed |
arc volcano |
Banda/Sunda Arc |
-4.5250 |
129.8710 |
3 |
1993 SCUBA |
SuSu Knolls |
active, confirmed |
back-arc spreading center |
Manus Basin |
-3.8000 |
152.1000 |
1520 |
1996 towed camera/video; 1993 plume only |
Kemp Caldera |
active, confirmed |
arc volcano |
South Sandwich Arc |
-59.7000 |
-28.3166 |
1420 |
2010 ROV Isis; 2009 plume only |
Flow |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
46.5250 |
-129.5783 |
2390 |
1993 ROV ROPOS |
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) |
Monowai Caldera |
active, confirmed |
arc volcano |
Tonga Arc |
-25.8000 |
-177.1500 |
1165 |
2005 with submersibles PISCES IV and PISCES V and ROV RCV-150; 2004 plume only |
Navidad |
active, confirmed |
mid-ocean ridge |
Galapagos Rift |
2.5300 |
-94.0750 |
2380 |
2005 towed video Medea |
Kick'em Jenny submarine volcano |
active, confirmed |
arc volcano |
Lesser Antilles Arc |
12.2833 |
-61.6667 |
265 |
2003 ROV Eastern Oceanics; 1989 submersible Johnson-Sea-Link II (did not confirm activity); 2001 plume only |
EPR, 21 25'S |
active, confirmed |
mid-ocean ridge |
S EPR |
-21.4333 |
-114.2917 |
2850 |
1984 submersible Cyana; 1983 deposits only |
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 |
Calypso Vents |
active, confirmed |
back-arc spreading center |
Taupo Volcanic Zone |
-37.6800 |
177.1170 |
200 |
1989 submersible Soucoup |
Yali |
active, confirmed |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6600 |
27.1300 |
3 |
1991 or earlier, from beach |
East Blanco Depression |
active, confirmed |
mid-ocean ridge |
JdF Ridge |
44.2170 |
-129.6250 |
3460 |
1994 ROV U.S. Navy's Advanced Tethered Vehicle |
Macdonald Seamount |
active, confirmed |
intra-plate volcano |
Central Pacific |
-28.9833 |
-140.2500 |
150 |
1989 submersible Cyana |
Vulcano |
active, confirmed |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.4000 |
15.0000 |
8 |
1960's shallow vents |
Banua Wuhu submarine volcano |
active, confirmed |
arc volcano |
Sangihe Arc |
3.1380 |
125.4910 |
10 |
1996 or earlier, likely by SCUBA |
ESR, E9 |
active, confirmed |
back-arc spreading center |
East Scotia Ridge |
-60.0500 |
-29.9300 |
2402 |
2009 towed video; 1999 plume only; 2010 ROV Isis |
Vai Lili |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.2151 |
-176.6083 |
1764 |
1989 submersible Nautile |
Punta Banda |
active, confirmed |
other |
Coastal Baja California |
31.7500 |
-116.7500 |
30 |
1960's commercial abalone divers |
Higashi-Ensei |
active, confirmed |
back-arc spreading center |
Okinawa Trough |
28.4393 |
128.1724 |
1220 |
2016 ROV Kaiko dives 723 and 724 |
Hine Hina |
active, confirmed |
back-arc spreading center |
Lau Basin |
-22.5300 |
-176.6970 |
1900 |
1989 submersible Nautile |