Hawaiian–Emperor seamount chain
E21756
The Hawaiian–Emperor seamount chain is a long, age-progressive line of volcanic islands and underwater mountains in the Pacific Ocean that records the movement of the Pacific Plate over a stationary mantle hotspot.
Aliases (8)
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geologic formation
→
hotspot track → seamount chain → |
| aboveSeaLevelSegments | Hawaiian Islands and atolls → |
| ageProgression | volcanic edifices become older to the northwest → |
| approximateOldestAge | about 80 million years → |
| associatedWith | Hawaii–Emperor plume conduit → |
| bendAngle | about 60 degrees → |
| bendLocation | near Midway Atoll → |
| bendSignificance | records change in Pacific Plate motion → |
| displays |
Hawaiian–Emperor seamount chain
→
surface form: "Hawaiian–Emperor bend"
|
| erodedToForm | guyots → |
| extendsFrom |
Hawaiʻi (island)
→
surface form: "Island of Hawaiʻi"
|
| extendsTo | Meiji Seamount near the Aleutian Trench → |
| formedBy | mantle plume volcanism → |
| formedByProcess | shield volcano construction → |
| geologicalOrigin | Hawaii hotspot → |
| hasPart |
Detroit Seamount
→
Hawaiian–Emperor seamount chain →
surface form: "Emperor Seamounts"
Hawaiian Islands → Hawaiian–Emperor seamount chain →
surface form: "Hawaiian Ridge"
Kure Atoll → Meiji Seamount → Midway Atoll → Suiko Seamount → Yuryaku Seamount → |
| hotspotType | intraplate hotspot → |
| length | over 6000 kilometers → |
| locatedIn | Pacific Ocean → |
| locatedOnTectonicPlate | Pacific Plate → |
| namedAfter |
Emperor Seamounts
→
Hawaiian Islands → |
| oceanBasin |
Northern Pacific Ocean
→
surface form: "North Pacific Ocean"
|
| oldestKnownFeature | Meiji Seamount → |
| orientation | northwest–southeast → |
| plateMotionDirectionRecorded | northwestward motion of Pacific Plate → |
| recordsMovementOf | Pacific Plate → |
| researchUse |
constraining plate motion histories
→
studying mantle plume dynamics → testing hotspot fixity hypotheses → |
| studyMethod |
marine geophysical surveys
→
paleomagnetic measurements → radiometric dating of lavas → seafloor bathymetry mapping → |
| submergedFeatures | numerous guyots and seamounts → |
| tectonicSetting | intraplate oceanic crust → |
| volcanicRockType | basalt → |
| volcanismCause | Pacific Plate moving over relatively stationary hotspot → |
| youngestVolcanismLocation |
Hawaiʻi (island)
→
surface form: "Island of Hawaiʻi"
|
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form: "Hawaiian–Emperor bend"
this entity surface form: "Hawaiian Ridge"
this entity surface form: "Emperor Seamounts"
this entity surface form: "Hawaiian–Emperor volcanic chain"
this entity surface form: "Hawaiian–Emperor seamount chain (hotspot system)"
this entity surface form: "Hawaiian–Emperor seamount chain (by origin)"
subject surface form: "Mauna Loa"
this entity surface form: "Hawaiian–Emperor seamount chain hotspot system"
this entity surface form: "Hawaii hotspot"