ocean trenches
Deep submarine valleys
Ocean trenches are the deepest parts of the ocean floor—long, narrow depressions where tectonic plates converge and one slides beneath another.
The Mariana Trench, the deepest known point on Earth, descends nearly seven miles.
These formations host extreme conditions: crushing pressure, near-freezing temperatures, and perpetual darkness.
Scientists discovered new species in ocean trenches.
- accretionary wedgeSediment pile at subduction zones
- submersiblesVessels that travel underwater
- Challenger DeepDeepest known ocean location
- deep seaLightless ocean zone
- hydrothermal ventsSubmarine volcanic water jets
subduction zone · tectonic plates · extremophiles · volcanic arc · water column · pitch black · crushing pressure · earthquake zone · carbon sequestration · fault line · giant squid · sea creatures · bathymetry · seafloor · deep · lithosphere · tectonic · ring of fire
- oceansdeep sea, seabed, Gulf Stream, marine life, coral reefs
- unexplored placesdeep sea, unmapped, undiscovered, uncharted, cave systems
- Pacific RimAustralia, Japan, China, New Zealand, Philippines
- deep seaabyss, seabed, seafloor, deep sea, depth
- oceanographyoceanography, oceanographer, sonar, marine science, thermocline
- aquatic zonescoastal zones, marine habitats, aquatic habitats, continental shelf, deep sea
ocean trenchesseamounts
Underwater volcanic elevations
underwater mountains · mountain ranges · continental shelves · ocean floor
ocean trenchesmountain peaks
Highest elevations of ranges
mountain ranges · Mount Everest · the Himalayas · alpine peaks