South Sandwich Trench

E15261

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.


Statements (47)
Predicate Object
instanceOf oceanic trench
subduction zone feature
associatedWith South Sandwich subduction zone
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 Sandwich Islands
locatedIn South Atlantic Ocean
Southern Ocean
locatedNear 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 British Overseas Territory of South Georgia and the South Sandwich Islands


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