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    ocean floor

    US /ˈoʃən flɔr/

    ・

    UK /ˈəuʃən flɔ:/

    A1
    n.NounThe bottom of the ocean; the seabed.
    Many unique species live on the ocean floor.

    Video subtitles

    How Tokyo Made Itself Earthquake-Proof

    07:14How Tokyo Made Itself Earthquake-Proof
    • The entire country of Japan and much of its surrounding ocean floor is covered in a network of 4,235 seismometers, all of which are recording the Earth vibrations around the clock.

      The entire country of Japan and much of its surrounding ocean floor is covered in a network of 4,235 seismometers, all of which are recording the Earth vibrations around the clock.

    B1

    The Cascadia Fault Is Ready To Rupture: A MEGA Earthquake Is Coming!

    10:58The Cascadia Fault Is Ready To Rupture: A MEGA Earthquake Is Coming!
    • For centuries, immense tectonic forces have been silently building, compressing, and twisting beneath the ocean floor.

      For centuries, immense tectonic forces have been silently building, compressing, and twisting beneath the ocean floor.

    • For centuries, immense tectonic forces have been silently building, compressing, and twisting beneath the ocean floor.

      For centuries, immense tectonic forces have been silently building, compressing, and twisting beneath the ocean floor.

    B2

    New images of Titanic show the ship's iconic railing has broken off

    02:57New images of Titanic show the ship's iconic railing has broken off
    • A 15-foot-long portion of its famous railing broken off, now on the ocean floor.

      A 15-foot-long portion of its famous railing broken off, now on the ocean floor.

    • A 15-foot long portion of its famous railing broken off, now on the ocean floor.

      A 15-foot long portion of its famous railing broken off, now on the ocean floor.

    B1

    Top 10 TERRIFYING Movie Sharks

    14:37Top 10 TERRIFYING Movie Sharks
    • Two Sisters Vacation takes a sharp nosedive when their cage stinks and plummets to the ocean floor.

      Two Sisters Vacation takes a sharp nosedive when their cage stinks and plummets to the ocean floor.

    • Two sisters' vacation takes a sharp nosedive when their cage stinks and plummets to the ocean floor.

      Two sisters' vacation takes a sharp nosedive when their cage stinks and plummets to the ocean floor.

    B2

    LOOKOUT! Toxic Starfish!

    16:42LOOKOUT! Toxic Starfish!
    • For those of you who are not scuba certified, let me take a moment to tell you that the instance you deflate your buoyancy control device, there is a moment of sheer terror as your body sinks toward the ocean floor like a bag of rocks.

      For those of you who are not scuba certified, let me take a moment to tell you that the instance you deflate your buoyancy control device, there is a moment of sheer terror as your body sinks toward the ocean floor like a bag of rocks.

    • toward the ocean floor like a bag of rocks.

      toward the ocean floor like a bag of rocks.

    B1

    The Ocean Is Deeper Than You Think. We Need Better Maps.

    13:22The Ocean Is Deeper Than You Think. We Need Better Maps.
    • We know less about the ocean floor than we do about the surface of Mars by a lot.

      We know less about the ocean floor than we do about the surface of Mars by a lot.

    • We know less about the ocean floor than we do about the surface of Mars—by a lot.

      We know less about the ocean floor than we do about the surface of Mars—by a lot.

    B1

    What If You Just Keep Digging?

    11:36What If You Just Keep Digging?
    • You can actually read off all of those magnetic reversals on the ocean floor.

      You can actually read off all of those magnetic reversals on the ocean floor.

    • You can actually read off all of those magnetic reversals on the ocean floor.

      You can actually read off all of those magnetic reversals on the ocean floor.

    B1

    Mapping the seafloor with the Multibeam Echosounder

    02:31Mapping the seafloor with the Multibeam Echosounder
    • As of the moment, only at least 25% of the entire ocean floor on Earth is mapped.

      As of the moment, only at least 25% of the entire ocean floor on Earth is mapped.

    • As of the moment, only at least 25% of the entire ocean floor on Earth is mapped.

      As of the moment, only at least 25% of the entire ocean floor on Earth is mapped.

    B1

    Leonardo DiCaprio (UN Messenger of Peace) at the opening of Climate Summit 2014

    03:59Leonardo DiCaprio (UN Messenger of Peace) at the opening of Climate Summit 2014
    • Droughts are intensifying, our oceans are acidifying with methane plumes rising up from the ocean floor,

      Droughts are intensifying, our oceans are acidifying with methane plumes rising up from the ocean floor,

    • Our oceans are acidifying, with methane plumes rising up from the ocean floor.

      Our oceans are acidifying, with methane plumes rising up from the ocean floor.

    B1

    Living at the Bottom of the Ocean? ft. @theodd1sout

    05:40Living at the Bottom of the Ocean? ft. @theodd1sout
    • but it also extends 5.8 kilometers down to the ocean floor.

      but it also extends 5.8 kilometers down to the ocean floor.

    • It not only covers 71% of the Earth's surface, but it also extends 5.8 kilometers down to the ocean floor.

      It not only covers 71% of the Earth's surface, but it also extends 5.8 kilometers down to the ocean floor.

    B1