Lost city of Heracleion

  1. This thread is a present for Evo's birthday :smile:

    There was some media coverage of Heracleion here and here the other day.

    Check out the links, awesome photo's.

    However the global sea level rise in the last 3000 years was maybe three feet, so only 15 feet would be accounted for. It's geologically interesting to find out what *exactly* was responsible for the other 135 feet.
  2. jcsd
    Earth sciences news on Phys.org
  3. Evo

    Staff: Mentor

    As soon as I saw the thread title, I had to look. Thank you!
  4. davenn

    davenn 3,472
    Science Advisor
    Gold Member
    2014 Award

    cool links Andre thanks
    a nice bit of underwater video in that second link

    Happy birthday Evo :)

  5. It is really interesting... You know, about finding the missing pieces of our history. Well, I find the some part of the Scientists explanation sensible - the gradual sea level rise combined with a sudden collapse of the unstable sediment. Just a guess about the 135 feet rise of the water level, it might be due to the change of the course of the water; that one day, the people wake up and find the waters of the river begin flooding into their city.
  6. I will throw something out for a try.
    As the Nile eats away at Africa, the matter carried down changes over time.
    Let's say 10,000 years ago, a large flood picked up and deposited a large amount
    of somewhat stable clay.
    The nature and viscosity of the clay, let the river extend a finger of land out into the sea
    with rather steep sides.
    The area appears stable, but has steep sides.
    The land is desirable as the deep water comes right up to the shore, without any reefs.
    Some geological event causes the river to alter it's course, and now the river begins
    eating away the foundations of the entire spit of land.
    At some point the entire piece of land slips off the precipice into much deeper water.
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