Plate Tectonics and Earthquakes
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Questions and Answers

What is the name given to the theory of moving lithospheric plates?

  • Plate theory
  • Crustal movement theory
  • Tectonics theory
  • Plate tectonics (correct)
  • Which type of seismic wave travels on the surface of the Earth?

  • Long surface waves (L-waves) (correct)
  • Tertiary (T-waves)
  • Secondary (S-waves)
  • Primary (P-waves)
  • How do seismic recording stations determine the distance of an earthquake's focus?

  • By observing the pattern of seismic waves
  • By measuring the duration of the earthquake
  • By calculating the difference in arrival times of P-waves and S-waves (correct)
  • By analyzing the amplitude of seismic waves
  • What is the main consequence of moving crustal plates discussed in the text?

    <p>Earthquake</p> Signup and view all the answers

    What is the total number of seismic waves mentioned in the text?

    <p>Three</p> Signup and view all the answers

    What is the defining characteristic of an active volcano?

    <p>Has the potential to erupt in the future</p> Signup and view all the answers

    Which region has a shorter span of recorded history for active volcanoes?

    <p>Hawaii and New Zealand</p> Signup and view all the answers

    How many potentially active volcanoes are recognized by the Smithsonian Global Volcanism Program as of March 2021?

    <p>560</p> Signup and view all the answers

    What distinguishes a dormant volcano from an active one?

    <p>Not currently erupting but could erupt in the future</p> Signup and view all the answers

    Where are many active volcanoes located?

    <p>Pacific Rim (Ring of Fire)</p> Signup and view all the answers

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