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.

All labels observed (17)

How this entity was disambiguated

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 self-linksurface differs
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 self-linksurface differs
surface form: Emperor Seamounts

Hawaiian Islands
Hawaiian–Emperor seamount chain self-linksurface differs
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

How these facts were elicited

Referenced by (62)

Full triples — surface form annotated when it differs from this entity's canonical label.

Hawaiian typicalSetting Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian-Emperor seamount chain
Lehua Island isPartOf Hawaiian–Emperor seamount chain
Mauna Loa summit partOfRange Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor seamount chain (emergent portion)
Lōʻihi Seamount partOf Hawaiian–Emperor seamount chain
Lōʻihi Seamount volcanicArcOrBelt Hawaiian–Emperor seamount chain
Hawaiian hotspot causes Hawaiian–Emperor seamount chain
Hawaiian hotspot causes Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor volcanic chain
Hawaiian hotspot created Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian Ridge
Hawaiian hotspot evidenceFrom Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor bend
Mokuʻāweoweo isPartOf Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor seamount chain (via Mauna Loa)
Salt Lake Crater isPartOf Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor volcanic chain
Aliamanu Crater isPartOf Hawaiian–Emperor seamount chain
this entity surface form: Hawaiian–Emperor seamount chain volcanic system