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Earth Structure: The Preliminary Reference Earth Model (PREM) 1

Earth Structure: The Preliminary Reference Earth Model (PREM) 1. Earth Physics October 14/19, 2010. 1 Dziewonski and Anderson, 1981. Travel-time curves. Earthquake travel-time curves are consistent with a structural model of the mechanical properties of the Earth's interior.

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Earth Structure: The Preliminary Reference Earth Model (PREM) 1

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  1. Earth Structure: The Preliminary Reference Earth Model (PREM)1 Earth Physics October 14/19, 2010 1Dziewonski and Anderson, 1981

  2. Travel-time curves Earthquake travel-time curves are consistent with a structural model of the mechanical properties of the Earth's interior

  3. P-wave velocity

  4. S-wave velocity

  5. Earth's moment of inertia

  6. Determining Earth's moment of inertia The precession of Earth's obliquity determines its moment of inertia

  7. Density

  8. Modulus of incompressibility

  9. Modulus of rigidity

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