Volcano Eruption Classification Quiz
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Questions and Answers

Which type of volcanic eruption is characterized by fountain lava?

  • Strombolian (correct)
  • Phreatic
  • Phreatomagmatic
  • Vulcanian
  • What distinguishes a Plinian eruption from other types of volcanic eruptions?

  • Tall eruption columns with pyroclastic flows
  • Explosive gas and pyroclastics eruption (correct)
  • Contact between water and magma
  • Formation of base surges
  • Which type of volcanic eruption is stream-driven due to hot rocks coming in contact with water?

  • Strombolian
  • Phreatic (correct)
  • Vulcanian
  • Phreatomagmatic
  • What characteristic defines a Phreatomagmatic eruption?

    <p>Violent eruption due to water and magma contact</p> Signup and view all the answers

    Which type of volcanic eruption is short-lived but may be an onset for a larger eruption?

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

    What is characteristic of a Vulcanian eruption?

    <p>20 km tall eruption columns</p> Signup and view all the answers

    What are the three general types of volcanoes classified based on the shape of their cones?

    <p>Shield volcanoes, cinder cones, and composite cones</p> Signup and view all the answers

    What is the main difference between a crater and a caldera on a volcano?

    <p>A crater is funnel-shaped while a caldera is formed by wall collapse after an explosive eruption</p> Signup and view all the answers

    What can be observed after an explosive eruption of a volcano?

    <p>A cone-shaped structure may be produced or changes on the slope can be seen</p> Signup and view all the answers

    What do the emissions of a volcano provide clues about?

    <p>Materials found inside the Earth</p> Signup and view all the answers

    Which type of eruption is characterized by being very explosive?

    <p>Plinian eruption</p> Signup and view all the answers

    What happens to form a caldera on a volcano?

    <p>Part of the wall collapses following an explosive eruption</p> Signup and view all the answers

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