Philippine Fault System

E237717

The Philippine Fault System is a major active strike-slip fault zone running through much of the Philippine archipelago, responsible for significant seismic activity and many of the country’s strongest earthquakes.

All labels observed (4)

Label Occurrences
Philippine Fault 1
Philippine Fault System canonical 1
Philippine Fault Zone 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf active fault system
strike-slip fault
tectonic feature
abbreviation Philippine Institute of Volcanology and Seismology
surface form: PHIVOLCS
activityStatus active
alsoKnownAs Philippine Fault System
surface form: Philippine Fault
country Philippines
displacementRate several millimeters per year (approximate)
extendsThrough Luzon
Mindanao
Visayas
faultType continental strike-slip fault
geologicalAge Quaternary
governedBy Philippine national building code for seismic design (indirectly via hazard maps)
hazardType ground deformation
strong ground shaking
surface rupture
influences earthquake risk in Metro Manila region
infrastructure planning in the Philippines
length approximately 1200 km
locatedIn Philippine Archipelago
surface form: Philippine archipelago
mappingInitiatedBy Philippine Institute of Volcanology and Seismology
monitoredBy Philippine Institute of Volcanology and Seismology
movementType strike-slip
notableEarthquake 1990 Luzon earthquake
2013 Bohol earthquake
2017 Leyte earthquake
orientation northwest-southeast
partOf Pacific Ring of Fire
passesNear Baguio
surface form: Baguio City

Cagayan Valley
Davao City
Leyte
surface form: Leyte Island
responsibleFor many of the strongest earthquakes in the Philippines
significant seismic activity in the Philippines
riskTo densely populated regions of the Philippines
segmentContains Central Mindanao segment
Digdig Fault segment
Leyte segment
seismicHazard high
slipSense left-lateral
studiedBy geologists
seismologists
tectonicProcess accommodates lateral motion between crustal blocks in the Philippines
tectonicSetting boundary between Philippine Sea Plate and Sunda Plate
usedFor basis for seismic hazard zoning in the Philippines

How these facts were elicited

Referenced by (4)

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

Philippine Mobile Belt associatedWith Philippine Fault System
Philippine Fault System alsoKnownAs Philippine Fault System
this entity surface form: Philippine Fault
East Luzon Trough associatedWith Philippine Fault System
this entity surface form: Philippine Fault system
Mindoro microplate near Philippine Fault System
this entity surface form: Philippine Fault Zone