8,500 Feet Deep; The World's Deepest Submarine Canyon

GeologyHub
GeologyHub
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Published 2024-07-08
There lies a hidden canyon deeper than the Grand Canyon just offshore of Alaska. There, the Zhemchug Canyon is submerged underwater, but encompasses a vast ravine which is up to 8,530 feet deeper than the adjacent sea floor. This is the story of how this magnificent canyon formed in the Bering Sea, and how its formation relates to the Yukon River.

Thumbnail Photo Credit: Google Earth, Data LDEO-Columbia, NSF, NOAA, Image NOAA, Data SIO, NOAA, U.S. Navy, NGA, GEBCO. This image was cropped, overlaid with text, and overlaid with GeologyHub made graphics (the image border & the GeologyHub logo).

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Sources/Citations:
[1] U.S. Geological Survey
[2] NOAA

0:00 Deeper than the Grand Canyon
0:30 Zhemchug Canyon
1:18 Ice Age
1:54 Lower Sea Levels
2:47 Turbidity Currents
All Comments (21)
  • @I.amthatrealJuan
    Finally that intro should stop the AI voice accusations. Good job!
  • @MrDan708
    I think the last time we saw your visage was in Iceland at Fagradallsfjall. This time, you don't need a parka.
  • @xwiick
    Thanks for all the hard work on these videos! His face was revealed years ago FYI
  • @kenbrady119
    Instead of obsessing over the Titanic, shouldn't the undersea explorers be pursuing features like this?
  • @shadowgolem9158
    My son and I LOVE your videos! Thank you for all your hard work!
  • @bevinboulder5039
    Tim, it's great to see you doing the intro to this video. Very interesting subject too.
  • @curious5887
    I’m glad you did that face reveal, because there will be people who still won’t stop talking about your voice and someone will think it’s an AI, even though it’s not
  • @TheSpaceEnthusiast-vl6wx
    Thanks so much, Geology Hub!I first heard of the Zhemchug canyon on a video by youtuber Atlas Pro. It is truly astonishing, so it is great that you finally covered it. I hope you can cover more submarine geological features. It is also nice to see you again.
  • @user-pw6ei2mn7x
    First time seeing you. You are much younger than I expected. Thank you for the wonderful informative videos given in your beautiful modulated voice. 🍀🍀🍀
  • @ianwilson1302
    I absolutely Love the doubters being proven wrong. This is a geology channel not an AI channel. Geologists all talk this way to contain our excitement about the world and how the planet is structured.
  • @maryfreeman3341
    Thank you so much for this accessible lesson about a geological feature I had not heard of. I enjoy geology because of the lessons you have been providing me in bite sized amounts. Thank you so much.
  • @StuffandThings_
    It freaks me out just how big some of Earth's hidden features are. Whether its massive submarine structures or stuff hidden deep below the crust, its amazing to think of everything that exists on the planet that we never interact with.