Bubbylon |
active, confirmed |
mid-ocean ridge |
N MAR |
37.8000 |
-31.5333 |
1000 |
2010 ROV MARUM-QUEST, same cruise as plume discovered by multibeam echosounder |
Don Joao de Castro Bank |
active, confirmed |
mid-ocean ridge |
Terceira Rift |
38.2300 |
-26.6300 |
45 |
1995 SCUBA |
Espalamaca |
active, confirmed |
intra-plate volcano |
|
38.5500 |
-28.6000 |
50 |
2010 or earlier likely SCUBA |
Evan |
active, confirmed |
mid-ocean ridge |
N MAR |
37.2667 |
-32.2833 |
1775 |
2006 submersible Nautile |
Lucky Strike |
active, confirmed |
mid-ocean ridge |
N MAR |
37.2933 |
-32.2733 |
1740 |
1993 submersible Alvin; 1992 dredge and plume only |
Lucky Strike segment, southern end |
active, inferred |
mid-ocean ridge |
N MAR |
37.0500 |
-32.4200 |
2600 |
1994 plume only |
Luso |
active, confirmed |
mid-ocean ridge |
N MAR |
38.9833 |
-29.8833 |
570 |
2018 ROV Luso |
Menez Gwen |
active, confirmed |
mid-ocean ridge |
N MAR |
37.8417 |
-31.5250 |
865 |
1994 submersible Nautile |
Menez Hom |
active, confirmed |
mid-ocean ridge |
N MAR |
37.1500 |
-32.4333 |
1802 |
2002 ROV Victor 6000 |
North FAMOUS |
active, inferred |
mid-ocean ridge |
N MAR |
36.9670 |
-32.9670 |
2500 |
1994 plume only |
Ribeira Quente |
active, confirmed |
mid-ocean ridge |
Terceira Rift |
37.7250 |
-25.3160 |
10 |
1986 or earlier, likely from shore or by SCUBA |
Saldanha |
active, confirmed |
mid-ocean ridge |
N MAR |
36.5667 |
-33.4333 |
2300 |
1998 submersible Nautile |
South Kurchatov |
active, inferred |
mid-ocean ridge |
N MAR |
40.4670 |
-29.5500 |
2900 |
1992 plume only; 1995 plume only |