GEISEIR site 11, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.5375 |
82.8266 |
2600 |
2010 plume only |
Bai Causeway |
active, inferred |
mid-ocean ridge |
SWIR |
-37.9000 |
48.8000 |
3000 |
2014 leg 2 or 3 of the 30th Chinese Cruise |
Bataan |
active, inferred |
arc volcano |
Luzon/Bicol Arc |
20.0000 |
122.0000 |
|
2002 or earlier some indications of activity |
Consag Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
30.6333 |
-113.9083 |
140 |
2007 echosounder and grab samples |
Mata Taha |
active, inferred |
arc volcano |
Lau Basin |
-15.0416 |
-173.7833 |
2160 |
2010 plume only |
EPR, 17 S |
active, inferred |
mid-ocean ridge |
S EPR |
-17.0000 |
-113.1170 |
2680 |
1993 plume only |
Split Seamount |
active, inferred |
mid-ocean ridge |
JdF Ridge |
47.6400 |
-128.9667 |
2350 |
1990 camera tow (need reference to check if activity confirmed) |
Gorda Ridge, EP96B |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.5500 |
-126.8333 |
3400 |
1984 deposits only; 1996 plume only |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
Tonga Arc, Volcano C |
active, inferred |
arc volcano |
Tonga Arc |
-20.1800 |
-175.2000 |
1050 |
2004 SS11/2004 cruise did not detect hydrothermal activity |
Secca del Capo |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.6333 |
14.8500 |
240 |
1995 ROV Comex deposits only; 2007 plume only |
EPR, 22 30'S |
active, inferred |
mid-ocean ridge |
S EPR |
-22.5000 |
-114.3670 |
2600 |
1985/86 or 1989 TV grab (need to check references to confirm activity) |
Area EX/FX |
active, inferred |
mid-ocean ridge |
CIR |
-21.4000 |
68.7666 |
3300 |
1986 plume and sediments |
W Syoyo |
active, inferred |
arc volcano |
Mariana Arc |
22.5080 |
142.5330 |
2150 |
2003 plume only |
C-ELSC, plume 17 |
active, inferred |
back-arc spreading center |
Lau Basin |
-20.9900 |
-176.2530 |
2270 |
2004 plume only |
Dugong submarine volcano |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.4500 |
-175.7000 |
1170 |
2008 plume only |
Alarcon Rise/Pescadero intersection |
active, inferred |
mid-ocean ridge |
Gulf of California |
23.6423 |
-108.3948 |
2384 |
2015 ROV Doc Ricketts did not confirm activity |
SWIR, D50B |
active, inferred |
mid-ocean ridge |
SWIR |
-52.4200 |
12.7480 |
3913 |
2000-2001 plume and dredge only |
Knipovich Ridge, 77 40'N |
active, inferred |
mid-ocean ridge |
Knipovich Ridge |
77.6300 |
7.5800 |
3000 |
2000 plume only |
EPR, 11 07'N |
active, inferred |
mid-ocean ridge |
N EPR |
11.1330 |
-103.7800 |
2580 |
1988 submersible Alvin dive #1989 (need reference to confirm activity); 1991 plume only |
EPR, 21 40'S |
active, inferred |
mid-ocean ridge |
S EPR |
-21.6340 |
-114.3010 |
2730 |
1987-1988 deposits only |
North FAMOUS |
active, inferred |
mid-ocean ridge |
N MAR |
36.9670 |
-32.9670 |
2500 |
1994 plume only |
Krakatau |
active, inferred |
arc volcano |
Banda/Sunda Arc |
-6.1020 |
105.4230 |
250 |
2002 CTD/transmissometer and dredge only |
MAR, 43 N |
active, inferred |
mid-ocean ridge |
N MAR |
43.0000 |
-29.0000 |
3400 |
1986 or earlier plume only |
CIR, 8-17 S, Segment 5, 12.25 S |
active, inferred |
mid-ocean ridge |
CIR |
-12.2500 |
65.7000 |
4000 |
2010 plume only |
Mariana Trough, 18.2 N |
active, inferred |
back-arc spreading center |
Mariana Trough |
18.1080 |
144.7380 |
3916 |
2015 plume only |
EPR, 29.5 S, Segment E1 |
active, inferred |
mid-ocean ridge |
S EPR |
-29.5000 |
-111.7200 |
2580 |
1998 plume only |
S AMAR 2 |
active, inferred |
mid-ocean ridge |
N MAR |
35.9670 |
-34.1830 |
2240 |
1992 plume only; 1994 plume only |
FRSC, RC 129 and CTD 24 plume sites |
active, inferred |
back-arc spreading center |
Lau Basin |
-17.0250 |
-174.5017 |
1750 |
2004 plume only; 2004 dredging |
SEIR-WXC22 |
active, inferred |
mid-ocean ridge |
SEIR |
-50.2500 |
132.1000 |
2950 |
2015 plume only |