Nankai megathrust

E542012

plate boundary subduction-zone megathrust fault

The Nankai megathrust is a major subduction-zone fault off southwestern Japan that has produced numerous powerful earthquakes and tsunamis and poses a significant seismic hazard to the region.

Try in SPARQL Jump to: Surface forms Statements Referenced by

Observed surface forms (5)

Surface form	Occurrences
Nankai Trough subduction zone	2
Nankai megathrust earthquake sequence	2
Nankai megathrust earthquakes	1
Nankai megathrust system	1
Nankai subduction zone	1

Statements (54)

Predicate	Object
instanceOf	plate boundary ⓘ subduction-zone megathrust fault ⓘ
associatedTsunami	1707 Hoei tsunami NERFINISHED ⓘ 1944 Tonankai tsunami ⓘ 1946 Nankai tsunami ⓘ
country	Japan ⓘ
dipDirection	northwestward beneath Japan ⓘ
governedBy	plate tectonics ⓘ
hazardType	earthquake ⓘ tsunami ⓘ
knownFor	recurrent great earthquakes ⓘ tsunami generation ⓘ
lastMajorEvent	1944 Tonankai earthquake NERFINISHED ⓘ 1946 Nankai earthquake NERFINISHED ⓘ
locatedIn	Nankai Trough NERFINISHED ⓘ southwestern Japan ⓘ
locatedOffCoastOf	Honshu NERFINISHED ⓘ Kyushu NERFINISHED ⓘ Shikoku NERFINISHED ⓘ
maximumMagnitude	~Mw 8.7 ⓘ
monitoredBy	Geospatial Information Authority of Japan NERFINISHED ⓘ Japan Meteorological Agency NERFINISHED ⓘ National Research Institute for Earth Science and Disaster Resilience NERFINISHED ⓘ
notableEvent	1707 Hoei earthquake ⓘ 1854 Ansei-Nankai earthquake ⓘ 1854 Ansei-Tokai earthquake NERFINISHED ⓘ
overridingPlate	Amur Plate NERFINISHED ⓘ Okhotsk Plate NERFINISHED ⓘ
potentialImpact	large tsunamis along Pacific coast of Japan ⓘ strong ground shaking in southwestern Honshu ⓘ
primaryRiskTo	Kinki region NERFINISHED ⓘ Kyushu eastern coast NERFINISHED ⓘ Shikoku coastal areas NERFINISHED ⓘ Tokai region NERFINISHED ⓘ
recurrenceInterval	approximately 100–200 years ⓘ
relatedDrillingProgram	Integrated Ocean Drilling Program NERFINISHED ⓘ
relatedProject	Nankai Trough Seismogenic Zone Experiment NERFINISHED ⓘ
relativePlateMotionRate	~4–6 cm/year ⓘ
researchFocus	earthquake forecasting ⓘ slow slip events ⓘ tsunami hazard assessment ⓘ
scientificDiscipline	geophysics ⓘ seismology ⓘ tectonics ⓘ
segmentName	Hyuga-nada segment NERFINISHED ⓘ Nankai segment NERFINISHED ⓘ Tokai segment NERFINISHED ⓘ Tonankai segment NERFINISHED ⓘ
separates	Eurasian margin of Japan ⓘ Philippine Sea Plate NERFINISHED ⓘ
slipType	thrust faulting ⓘ
subductingPlate	Philippine Sea Plate NERFINISHED ⓘ
tectonicSetting	convergent plate boundary ⓘ
typicalMagnitudeRange	Mw 8.0–8.7 ⓘ

Referenced by (9)

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

Shikoku Basin → relatedTo → Nankai megathrust ⓘ

1946 Nankai earthquake → sequence → Nankai megathrust ⓘ

this entity surface form: Nankai megathrust earthquakes

1944 Tonankai earthquake → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai megathrust earthquake sequence

Tokai segment → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai Trough subduction zone

Nankai segment → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai subduction zone

Hyuga-nada segment → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai Trough subduction zone

Hyuga-nada segment → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai megathrust system

1707 Hoei earthquake → partOf → Nankai megathrust ⓘ

this entity surface form: Nankai megathrust earthquake sequence