Earthquake Essentials

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Questions and Answers

Which of the following best defines an earthquake?

  • A vibratory shaking of the ground caused by a sudden disturbance of natural origin within the Earth
  • A series of elastic waves in the Earth's crust caused by volcanic actions
  • A sudden release of energy in the Earth's crust that creates seismic waves (correct)
  • A fracture on the Earth's crust or breaks in rocks along which there is displacement of rocks on one side relative to the other

What is the point on a fault at which the first movement or break occurs during an earthquake called?

  • Seismology
  • Faults
  • Hypocenter (correct)
  • Epicenter

What is the point on the Earth's surface directly above the hypocenter called?

  • Faults
  • Seismology
  • Hypocenter
  • Epicenter (correct)

What is seismology?

<p>The study of causes, propagation, and effects of the movements of the Earth's crust that result from an earthquake (B)</p> Signup and view all the answers

What are faults?

<p>A fracture on the Earth's crust or breaks in rocks along which there is displacement of rocks on one side relative to the other (D)</p> Signup and view all the answers

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