EPR, 30.4 S, Segment E2 |
active, inferred |
mid-ocean ridge |
S EPR |
-30.3750 |
-111.7640 |
2320 |
1998 plume only |
N-ELSC, plume 25 |
active, inferred |
back-arc spreading center |
Lau Basin |
-19.8900 |
-176.0640 |
2680 |
2004 plume only |
CIR, 8-17 S, Segment 4, 11.3 S |
active, inferred |
mid-ocean ridge |
CIR |
-11.3000 |
66.4000 |
3500 |
2010 plume only |
GEISEIR site 21, segment L3 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.0050 |
87.8808 |
2400 |
2010 plume only |
AAR KR1, Mujin |
active, inferred |
mid-ocean ridge |
SEIR |
-62.1000 |
158.8000 |
2100 |
2011 plume and biological samples |
EPR, 16 35'S |
active, inferred |
mid-ocean ridge |
S EPR |
-16.5830 |
-113.0600 |
2650 |
1993 plume only; 1998 submersible Alvin did not confirm activity |
Central Spreading Ridge, Station 19 S |
active, inferred |
back-arc spreading center |
North Fiji Basin |
-19.0000 |
173.5000 |
3000 |
1991 submersible Shinkai 6500 did not confirm activity |
EPR/Tamayo intersection |
active, inferred |
mid-ocean ridge |
N EPR |
22.9333 |
-108.0667 |
3200 |
1979 submersible Alvin did not confirm activity |
Rakahore volcanic center |
active, inferred |
arc volcano |
Kermadec Arc |
-26.8100 |
-177.4000 |
1200 |
2004 plume and dredging NZAPLUME III expedition |
SWIR, Plume 1, Segment 17 |
active, inferred |
mid-ocean ridge |
SWIR |
-31.1830 |
58.5000 |
3600 |
1997 plume only |
MAR, 33 S |
active, inferred |
mid-ocean ridge |
S MAR |
-32.9676 |
-14.4517 |
2600 |
2013 plume only |
Galapagos Rift, 93.7 W |
active, inferred |
mid-ocean ridge |
Galapagos Rift |
2.4970 |
-93.7700 |
2220 |
2005 plume only |
Kos, south |
active, inferred |
arc volcano |
Hellenic Arc, Aegean Sea |
36.6667 |
27.2500 |
450 |
1997 plume only |
GEISEIR site 12, segment K4 |
active, inferred |
mid-ocean ridge |
SEIR |
-42.6600 |
83.0366 |
2600 |
2010 plume only |
Gakkel Ridge, Site 2 |
active, inferred |
mid-ocean ridge |
Gakkel Ridge |
83.8500 |
-2.0000 |
3900 |
2001 plume only |
Nereus Deep |
active, inferred |
mid-ocean ridge |
Red Sea |
23.1670 |
37.2830 |
2400 |
1972 deposits only |
GEISEIR site 33, segment O2 |
active, inferred |
mid-ocean ridge |
SEIR |
-47.2383 |
97.1566 |
2700 |
2009 plume only |
AMAR |
active, inferred |
mid-ocean ridge |
N MAR |
36.3833 |
-33.6500 |
2600 |
1992 plume only; 1994 plume only |
San Cristobal arc, Target M |
active, inferred |
arc volcano |
Solomons Arc |
-10.4000 |
164.7500 |
2000 |
2002 plume and dredge only |
CLSC, CL_8 |
active, inferred |
back-arc spreading center |
Lau Basin |
-18.0500 |
-176.3333 |
2250 |
2009 plume only |
Tonga Arc, Volcano 16 |
active, inferred |
arc volcano |
Tonga Arc |
-24.1883 |
-176.8217 |
1400 |
2003 plume and dredge only |
Lobster |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.3330 |
-176.2830 |
1500 |
2008 plume and dredge only |
Gorda Ridge, GR-15 |
active, inferred |
mid-ocean ridge |
Gorda Ridge |
42.9500 |
-126.5500 |
3365 |
1985 plume only |
SWIR, 53.2 E |
active, inferred |
mid-ocean ridge |
SWIR |
-36.1010 |
53.2550 |
2218 |
2008 plume and dredge only |
MTJ, T08C03 and T08C04 |
active, inferred |
back-arc spreading center |
Lau Basin |
-15.6100 |
-174.8200 |
2300 |
2008 plume only |
Stromboli |
active, inferred |
arc volcano |
Aeolian Arc, Tyrrhenian Sea |
38.7890 |
15.2130 |
250 |
1969 Fe crusts only |
Tonga Arc, Volcano D |
active, inferred |
arc volcano |
Tonga Arc |
-19.4500 |
-174.9167 |
760 |
2004 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 |
San Felipe |
active, inferred |
other |
Coastal Baja California |
31.0000 |
-114.8000 |
1 |
1982 or earlier, likely from shore |
GEISEIR site 5, segment K1 |
active, inferred |
mid-ocean ridge |
SEIR |
-41.2420 |
81.1580 |
2860 |
1996 plume only; 2007 plume only |