Sirena Deep

E7569

Sirena Deep is one of the deepest known points in the world's oceans, located within the Mariana Trench in the western Pacific Ocean.

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Statements (33)

Predicate Object
instanceOf deep‑sea depression
oceanic trench feature
coordinateSystem geographic coordinates in western Pacific
countryExclusiveEconomicZone United States of America
surface form: United States
depthRankInMarianaTrench one of deepest points
depthRankInWorldOceans among deepest known points
discoveredBy oceanographic surveys in late 20th century
environmentType aphotic zone
extreme high‑pressure environment
exploredBy ROV expeditions
deep‑submergence vehicles
geologicalSetting subduction zone
knownFor challenging conditions for exploration
extreme ocean depth
lightLevel complete darkness at depth
locatedIn Mariana Trench
Pacific Ocean
western Pacific Ocean
maximumDepthFeet about 34450
maximumDepthMetres about 10500
namedAfter Sirena (mermaid of Chamorro folklore)
near Guam
oceanBasin Pacific Ocean
surface form: Pacific Ocean Basin
oceanRegion northwestern Pacific Ocean
partOf hadal zone
pressureAtBottom over 1000 atmospheres
researchFocus deep‑sea geology
extremophile organisms
salinity typical open‑ocean salinity levels
tectonicPlateBoundary Philippine Sea Plate
surface form: Philippine Sea Plate and Pacific Plate
temperature near freezing at seafloor
waterColumnZone abyssal zone above and hadal zone at bottom
withinFeature Mariana Trench Marine National Monument
surface form: Mariana Trench Marine National Monument area

Referenced by (2)

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

Horizon Deep comparedTo Sirena Deep
Mariana Trench contains Sirena Deep