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Soil Mechanics and Slope Stability of the Ursa Basin, Northern Gulf of Mexico

Soil Mechanics and Slope Stability of the Ursa Basin, Northern Gulf of Mexico. Hilary Elizabeth Strong MS Candidate Institute for Geophysics The University of Texas at Austin Austin, TX 78758. Presentation Outline. Submarine Landslides: An Introduction Geology of the Ursa Basin

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Soil Mechanics and Slope Stability of the Ursa Basin, Northern Gulf of Mexico

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  1. Soil Mechanics and Slope Stability of the Ursa Basin,Northern Gulf of Mexico Hilary Elizabeth Strong MS Candidate Institute for Geophysics The University of Texas at Austin Austin, TX 78758

  2. Presentation Outline • Submarine Landslides: An Introduction • Geology of the Ursa Basin • Mechanics of Slope Failure • Soil Strength Testing • Initial Results • The Problem at Ursa • A Recent Slide in the Gulf of Mexico

  3. Submarine Landslides http://ethomas.web.wesleyan.edu/ees123/clathrate199.htm

  4. Study Area: Ursa Basin Sawyer et al 2007

  5. Sawyer in press

  6. Sawyer in press

  7. Mechanics of Slope Failure

  8. Overpressure

  9. Testing and Work Plan

  10. Current Conditions

  11. Initial Results

  12. Initial Results

  13. Current conditions are safe! So how do we explain MTD’s? 1) Conditions in the past different 2) Earthquakes triggered failure

  14. A Recent Slide in the Gulf

  15. Questions? THANK YOU FOR FUNDING ME!

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