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Why Do Earthquakes Happen?

Why do earthquakes happen?

Why do earthquakes happen?

  • Exhibition Text

    • In 1906, the seismologist Henry Reid developed the “elastic rebound theory” to explain earthquakes. When rocks begin to press against each other, they initially bend, like a spring, to accommodate the opposing forces. Eventually, when the rocks reach a point where they cannot bend further, they break. The bent rocks snap back, or rebound, to their original shape. The break is the fault itself, and the shock waves emanating from the rebound are the earthquake. The shock waves vibrate through the Earth, making it “ring” like a bell.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Earthquakes

      Keywords: Earthquakes, Elastic rebound theory, Geology, Reid, Harry Fielding, 1859-1944

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