Types of Volcanic Eruptions

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of volcanic eruption produces lava flows exclusively?

  • Strombolian
  • Plinian
  • Hawaiian (correct)
  • Vulcanian

Which type of eruption results in the sudden release of built-up pressure producing pyroclastic debris?

  • Strombolian
  • Vulcanian
  • Hawaiian
  • Plinian (correct)

What type of eruption is characterized by sustained fissure eruptions producing curtains of basaltic lava?

  • Hawaiian (correct)
  • Plinian
  • Vulcanian
  • Strombolian

Which type of eruption produces low-viscosity basaltic lava flows and fountains?

<p>Hawaiian (C)</p> Signup and view all the answers

What type of eruption results from the bursting of clumps of gas bubbles at the surface?

<p>Strombolian (B)</p> Signup and view all the answers

Which type of eruption results from more viscous lava, slowing down bubble formation and clogging up conduits?

<p>Vulcanian (B)</p> Signup and view all the answers

What type of eruption results from bursting gas bubbles at the surface, throwing up clots of lava?

<p>Strombolian eruption (D)</p> Signup and view all the answers

Which classification of eruption occurs in a shallow body of water and is characterized by strong explosions due to magma-water interaction?

<p>Surtseyan Eruption (D)</p> Signup and view all the answers

What volcanic eruption type is the result of slow bubble formation and clogging of conduits leading to a volcanic explosion?

<p>Vulcanian Eruption (D)</p> Signup and view all the answers

Which type of eruption evolves from Icelandic eruptions and produces low-viscosity basaltic lava flows?

<p>Hawaiian Eruption (C)</p> Signup and view all the answers

What causes Strombolian eruptions to be accompanied by high concentrations of pyroclastic debris?

<p>Bursting gas bubbles at the surface (D)</p> Signup and view all the answers

Which eruption type is driven by violent thermal contraction of magma when it interacts with water?

<p>Phreatomagmatic Eruption (D)</p> Signup and view all the answers

What drives purely steam-driven eruptions?

<p>Expansion of water into steam (D)</p> Signup and view all the answers

Which type of eruptions produce Hawaiian volcanoes over time?

<p>Effusive eruptions (C)</p> Signup and view all the answers

What is the main source of pressure behind explosive volcanic eruptions?

<p>Decompression of gases (D)</p> Signup and view all the answers

How does the amount of gases affect the force of the explosion in magmatic eruptions?

<p>More gas increases the force (B)</p> Signup and view all the answers

True or False: Vulcanian eruptions generally have higher eruption columns compared to Strombolian eruptions.

<p>True (C)</p> Signup and view all the answers

Which eruption is an example of a Plinian eruption?

<p>1991 Pinatubo eruption (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Understanding Volcanic Eruptions and Volcanoes
10 questions
Types of volcanic eruptions
18 questions
Volcanic Landslides and Eruptions
18 questions
Use Quizgecko on...
Browser
Browser