Types of Volcanic Eruptions
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Questions and Answers

What type of volcanic eruption is characterized by a short-lived ash column and may be a precursor to a larger eruption?

  • Phreatomagmatic
  • Phreatic or hydrothermal (correct)
  • Strombolian
  • Vulcanian
  • Which type of volcanic eruption is characterized by a violent eruption due to the interaction between water and magma, resulting in a large column of fine ash and high-speed, lateral pyroclastic base surges?

  • Phreatomagmatic (correct)
  • Plinian
  • Phreatic or hydrothermal
  • Strombolian
  • What type of volcanic eruption is characterized by periodic, weak to violent eruptions with fountain-like lava?

  • Plinian
  • Vulcanian
  • Phreatomagmatic
  • Strombolian (correct)
  • Which type of volcanic eruption is known for tall eruption columns that can reach up to 20 km in height, accompanied by pyroclastic flows and ashfall tephra?

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

    What type of volcanic eruption is described as excessively explosive, involving the eruption of gas and pyroclastic material, similar to the eruption of Mount Pinatubo in Zambales, Philippines?

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

    Which volcano in the Philippines is known for its 'perfect cone' or symmetrical cone shape?

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

    Which of these is the most active volcano in the Philippines?

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

    What is the shape of Mayon Volcano's cone?

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

    Which of the following is not a volcano mentioned in the text?

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

    What is the defining characteristic of Mayon Volcano mentioned in the text?

    <p>It has a 'perfect cone' or symmetrical shape</p> Signup and view all the answers

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