Mariana Island Arc

E22121

island arc tectonic feature volcanic arc

The Mariana Island Arc is a curved chain of volcanic islands in the western Pacific Ocean formed by the subduction of the Pacific Plate beneath the Philippine Sea Plate.

Aliases (3)

Statements (50)

Predicate	Object
instanceOf	island arc → tectonic feature → volcanic arc →
adjacentTo	Mariana Trench →
associatedWith	Benioff zone beneath the Mariana Trench → deep-focus earthquakes →
contains	Agrihan → Alamagan → Anatahan → Asuncion Island → Farallon de Pajaros → Guam → Guguan → Mariana Islands → Northern Mariana Islands → Pagan → Rota → Saipan → Sarigan → Tinian →
country	United States →
formedBy	subduction of the Pacific Plate beneath the Philippine Sea Plate →
geologicalAge	Cenozoic →
governingTerritory	Commonwealth of the Northern Mariana Islands → Guam →
hasEconomicActivity	fisheries → tourism →
hasFeature	active volcanoes → dormant volcanoes → extinct volcanoes → stratovolcanoes → submarine volcanoes →
highestPoint	Agrihan volcano →
locatedIn	Pacific Ocean → western Pacific Ocean →
marginType	ocean-ocean convergent margin →
orientation	north-south trending curve →
overlies	Philippine Sea Plate →
overridingPlate	Philippine Sea Plate →
parallelTo	Mariana Trench →
partOf	Mariana subduction system → Ring of Fire →
rockType	basaltic-andesitic volcanic rocks →
separates	Philippine Sea from the Pacific Ocean →
studiedBy	marine geologists → volcanologists →
subductingPlate	Pacific Plate →
tectonicSetting	convergent plate boundary →
volcanicActivity	frequent small to moderate eruptions →
volcanismType	subduction-related volcanism →

Referenced by (7)

Subject (surface form when different)	Predicate
Mariana volcanic arc ("Mariana Islands") → Micronesia ("Mariana Islands") →	hasPart
Mariana Trench →	adjacentIslandArc
Philippine Sea ("Mariana Islands") →	locatedWestOf
Mariana subduction zone ("Mariana island arc") →	produces
Magellan–Elcano expedition ("Mariana Islands") →	visitedRegion
Sarigan ("Mariana Arc") →	volcanicArc