Juan de Fuca Ridge
E15067
Juan de Fuca Ridge is an underwater volcanic spreading center in the northeastern Pacific Ocean where new oceanic crust forms as tectonic plates diverge.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Juan de Fuca Ridge system | 2 |
| Explorer–Juan de Fuca–Gorda ridge system | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
divergent plate boundary
ⓘ
mid-ocean ridge ⓘ underwater volcanic spreading center ⓘ |
| associatedWith |
Explorer Plate
ⓘ
Gorda Plate ⓘ Juan de Fuca Plate ⓘ Pacific Plate ⓘ |
| connectsTo |
Cobb Offset
ⓘ
Explorer Ridge ⓘ Gorda Ridge ⓘ Cape Mendocino ⓘ
surface form:
Mendocino Triple Junction
|
| country |
offshore of Canada
ⓘ
offshore of United States ⓘ |
| depth | approximately 2200 to 2800 meters below sea level ⓘ |
| distanceFromCoast | approximately 300 to 500 kilometers offshore ⓘ |
| geologicalAge | Cenozoic ⓘ |
| geologicalProcess | formation of new oceanic crust ⓘ |
| hasFeature |
axial valley
ⓘ
black smoker chimneys ⓘ hydrothermal vent fields ⓘ pillow lavas ⓘ rifted flanks ⓘ sheet flows ⓘ volcanic seamounts ⓘ |
| influences | Cascadia subduction zone magmatism ⓘ |
| knownFor |
active hydrothermal circulation
ⓘ
chemosynthetic vent ecosystems ⓘ frequent small seafloor eruptions ⓘ |
| locatedIn | northeastern Pacific Ocean ⓘ |
| namedAfter | Juan de Fuca ⓘ |
| nameOrigin | named for Greek explorer Ioannis Phokas (Juan de Fuca) ⓘ |
| nearbyCoast |
coast of British Columbia
ⓘ
coast of Oregon ⓘ coast of Washington ⓘ |
| oceanicCrustFormation | site of seafloor spreading ⓘ |
| orientation | generally north–south trending ⓘ |
| partOf | Pacific Ocean ⓘ |
| region |
Cascadia Subduction Zone
ⓘ
surface form:
Cascadia subduction system back-arc
|
| researchInfrastructure |
Ocean Observatories Initiative cabled observatory
ⓘ
surface form:
NEPTUNE cabled observatory network
Ocean Observatories Initiative cabled observatory ⓘ |
| spreadingRate | slow to intermediate spreading rate ⓘ |
| studiedBy |
geophysicists
ⓘ
marine geologists ⓘ oceanographers ⓘ |
| tectonicSetting |
divergent boundary between Explorer Plate and Pacific Plate
ⓘ
divergent boundary between Gorda Plate and Pacific Plate ⓘ divergent boundary between Juan de Fuca Plate and Pacific Plate ⓘ |
| terminatesNear |
Blanco Fracture Zone
ⓘ
Mendocino Fracture Zone ⓘ |
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Juan de Fuca Ridge system
this entity surface form:
Explorer–Juan de Fuca–Gorda ridge system
this entity surface form:
Juan de Fuca Ridge system