Guaymas Basin, Northern Trough |
inactive |
mid-ocean ridge |
Gulf of California |
27.3050 |
-111.5067 |
2000 |
1977 submersible Seacliff (hydrothermal deposits only) |
Green Seamount |
inactive |
mid-ocean ridge |
N EPR |
20.8033 |
-109.2833 |
2000 |
1982 submersible Alvin observed only inactive |
EPR, mid 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.0000 |
-105.3800 |
2750 |
1997 plume only |
San Felipe |
active, inferred |
other |
Coastal Baja California |
31.0000 |
-114.8000 |
1 |
1982 or earlier, likely from shore |
EPR, northern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
17.6700 |
-105.0050 |
2800 |
1997 plume only |
Alarcon Rise/Tamayo intersection |
active, inferred |
mid-ocean ridge |
Gulf of California |
23.2336 |
-108.6168 |
2358 |
2015 ROV Doc Ricketts did not confirm activity |
EPR, southern 17 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
16.5800 |
-105.3000 |
2700 |
1997 plume only |
EPR, southern 16 N segment |
active, inferred |
mid-ocean ridge |
N EPR |
15.5000 |
-105.4000 |
2300 |
1997 plume only |
EPR/Tamayo intersection |
active, inferred |
mid-ocean ridge |
N EPR |
22.9333 |
-108.0667 |
3200 |
1979 submersible Alvin did not confirm activity |
Wagner Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
31.0666 |
-114.0833 |
120 |
2007 echosounder and grab samples |
Consag Basin |
active, inferred |
mid-ocean ridge |
Gulf of California |
30.6333 |
-113.9083 |
140 |
2007 echosounder and grab samples |
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 |
EPR, Manzanillo Spreading Segment |
active, inferred |
mid-ocean ridge |
N EPR |
18.2500 |
-106.3000 |
2600 |
1997 plume only |
Alarcon Rise, Meyibo |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3553 |
-108.5443 |
2295 |
2012 ROV Doc Ricketts |
Alarcon Rise, Tzab-ek |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3526 |
-108.5597 |
2249 |
2015 ROV Doc Ricketts |
Guaymas Basin, Northern Trough_2 |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.4110 |
-111.3879 |
1800 |
2015 ROV Hybis |
Guaymas Basin, Southern Trough |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.0148 |
-111.4109 |
2000 |
1982 submersible Alvin; 1980 DeepTow CTD and dredging |
Punta Mita, Bahia de Banderas |
active, confirmed |
other |
Coastal Mexico |
20.7700 |
-105.5200 |
10 |
1997 photo/video most likely by SCUBA |
Punta Banda |
active, confirmed |
other |
Coastal Baja California |
31.7500 |
-116.7500 |
30 |
1960's commercial abalone divers |
Ringvent |
active, confirmed |
mid-ocean ridge |
Gulf of California |
27.5083 |
-111.6792 |
1740 |
2016 submersible Alvin; 2009 towed camera/CTD/bottles |
Teotihuacan |
active, confirmed |
mid-ocean ridge |
N EPR |
15.7333 |
-105.4333 |
2300 |
2010 submersible Nautile; 1997 plume only |
EPR, 21 N |
active, confirmed |
mid-ocean ridge |
N EPR |
20.8333 |
-109.0833 |
2600 |
1979 submersible Alvin; 1978 submersible Cyana discovered mineral deposits only |
Red Seamount |
active, confirmed |
mid-ocean ridge |
N EPR |
20.8033 |
-109.3783 |
2000 |
1982 submersible Alvin |
Pescadero Basin, Auka |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.9567 |
-108.8618 |
3685 |
2015 ROV Doc Ricketts; 1990 or earlier plume only |
Bahia Concepcion |
active, confirmed |
other |
Coastal Baja California |
26.6667 |
-111.8333 |
15 |
1968 or earlier, likely by SCUBA |
Alarcon Rise, Ja Sit |
active, confirmed |
mid-ocean ridge |
Gulf of California |
23.3765 |
-108.5315 |
2304 |
2012 ROV Doc Ricketts |