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4.5: Earthquakes

  1. Ground movements that occur when blocks of rock in Earth move suddenly and release energy
  2. Focus: The place within earth along a fault at which first motion of an earthquake occurs
  3. Epicenter: Directly above the focus

  4. Boundaries

    1. Divergent Boundaries

      1. When tectonic plates move away from each other

        divergent-boundaries.png

    2. Convergent Boundaries

      1. When tectonic plates squeeze each other

        convergent-boundaries.png

    3. Transform Boundaries

      1. When Tectonic plates pass each other

        transform-boundaries.png