South Sandwich Trench

E15261

oceanic trench subduction zone feature

The South Sandwich Trench is a deep oceanic trench near the South Sandwich Islands, known as one of the deepest points in the Southern Ocean and a significant site for studying subduction and extreme marine environments.

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All labels observed (2)

Label	Occurrences
South Sandwich Trench canonical	12
South Sandwich subduction zone	1

Statements (47)

Predicate	Object
instanceOf	oceanic trench ⓘ subduction zone feature ⓘ
associatedWith	South Sandwich Island Arc ⓘ surface form: South Sandwich subduction zone South Sandwich Island Arc ⓘ surface form: South Sandwich volcanic arc earthquakes ⓘ seismic activity ⓘ volcanism in the South Sandwich Islands ⓘ
comparedWith	other deep trenches such as the Mariana Trench ⓘ
contains	hadal habitats ⓘ
countryExclusiveEconomicZone	United Kingdom ⓘ
depthRanking	among the deepest trenches in the Atlantic sector of the Southern Ocean ⓘ
depthZone	hadal zone ⓘ
environment	high-pressure deep-sea environment ⓘ low-temperature deep ocean environment ⓘ
featureOf	South Sandwich Plate boundary ⓘ
formedBy	subduction of South American Plate beneath South Sandwich Plate ⓘ
geologicalProcess	oceanic plate subduction ⓘ
knownAs	one of the deepest points in the Southern Ocean ⓘ
liesEastOf	South Georgia and the South Sandwich Islands ⓘ surface form: South Sandwich Islands
locatedIn	Atlantic Ocean ⓘ surface form: South Atlantic Ocean Southern Ocean ⓘ
locatedNear	South Georgia and the South Sandwich Islands ⓘ surface form: South Sandwich Islands
maximumDepth	approximately 8266 m ⓘ over 8000 m ⓘ
nearbyFeature	Scotia Sea ⓘ South Georgia and the South Sandwich Islands ⓘ
notableFor	deep-sea biodiversity studies ⓘ extreme marine environments ⓘ hadal zone ecosystems ⓘ studies of subduction processes ⓘ
ocean	Atlantic Ocean ⓘ Southern Ocean ⓘ
orientation	roughly north–south ⓘ
partOf	South Sandwich Island Arc ⓘ global network of deep ocean trenches ⓘ
region	South Atlantic ⓘ
researchUse	study of adaptation of organisms to extreme pressure ⓘ study of carbon cycling in the deep ocean ⓘ
seafloorMorphology	narrow and elongated trench ⓘ
significance	important site for studying deep ocean ecology ⓘ important site for studying plate tectonics ⓘ
studiedBy	geophysicists ⓘ marine biologists ⓘ oceanographers ⓘ
tectonicSetting	convergent plate boundary ⓘ
waterMass	influenced by Antarctic waters ⓘ
withinEEZOf	South Georgia and the South Sandwich Islands ⓘ surface form: British Overseas Territory of South Georgia and the South Sandwich Islands

Referenced by (13)

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

Southern Ocean → contains → South Sandwich Trench ⓘ

Scotia Plate → hasFeature → South Sandwich Trench ⓘ

Scotia Plate → hasTrench → South Sandwich Trench ⓘ

South Scotia Ridge → relatedFeature → South Sandwich Trench ⓘ

Scotia Arc → hasPart → South Sandwich Trench ⓘ

South Sandwich Island Arc → associatedWith → South Sandwich Trench ⓘ

Sandwich Plate → associatedWith → South Sandwich Trench ⓘ

South Sandwich microplate → hasSubductionZone → South Sandwich Trench ⓘ

this entity surface form: South Sandwich subduction zone

South Sandwich microplate → associatedWith → South Sandwich Trench ⓘ

Shackleton Fracture Zone → near → South Sandwich Trench ⓘ

East Scotia Ridge → near → South Sandwich Trench ⓘ

South Georgia microcontinent → boundedBy → South Sandwich Trench ⓘ

Five Deeps Expedition → reachesLocation → South Sandwich Trench ⓘ