Tsunamis: The Powerful Natural Force
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Questions and Answers

What natural force can cause tsunamis?

  • Volcanic eruptions (correct)
  • Droughts
  • Snowstorms
  • Tornadoes
  • How are most tsunamis triggered?

  • Wildfires
  • Blizzards
  • Hurricanes
  • Earthquakes (correct)
  • What happens when tectonic plates get stuck and suddenly shift?

  • They disappear completely
  • They become indestructible
  • They shrink in size
  • Pressure builds up and they move into a new position (correct)
  • What creates big holes in the ocean floor that lead to tsunamis?

    <p>Movement of tectonic plates</p> Signup and view all the answers

    Why do tsunami waves grow in height as they approach shallower water?

    <p>Because the top of each wave is very short in deep water</p> Signup and view all the answers

    Which of the following natural disasters can also trigger a tsunami, according to the text?

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

    What is one of the key characteristics of a tsunami as described in the text?

    <p>It travels quickly and may appear as a towering wall of water</p> Signup and view all the answers

    Which ocean is mentioned in the text as a common area for tsunamis to occur?

    <p>Pacific Ocean</p> Signup and view all the answers

    What is the purpose of the Pacific Tsunami Warning System as mentioned in the text?

    <p>To track earthquakes that may lead to tsunamis and warn people in advance</p> Signup and view all the answers

    In which region did the biggest tsunami ever recorded occur?

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

    How often do massive, really destructive tsunamis happen according to the text?

    <p>About every fifteen years</p> Signup and view all the answers

    Why does the text suggest that you probably don't need to worry too much about tsunamis?

    <p>Because they are rare events, with only about two happening every year</p> Signup and view all the answers

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