Podcast
Questions and Answers
What is a Plinian Eruption characterized by?
What is a Plinian Eruption characterized by?
- Limited dispersion of ash
- Highly explosive and violent blasts (correct)
- Slow and steady lava flows
- Low magma discharge rate
What is the main reason behind the eruption of volcanoes?
What is the main reason behind the eruption of volcanoes?
- Seafloor spreading
- Magma's high density compared to surrounding rock
- Formation of bubbles in magma
- Pressure build-up within the volcano (correct)
What factor affects magma's viscosity?
What factor affects magma's viscosity?
- Magma's color
- Magma's speed of flow
- Magma's temperature (correct)
- Amount of dissolved gases in magma
What type of eruption occurs when magma is thick and does not flow easily?
What type of eruption occurs when magma is thick and does not flow easily?
What scale is used to describe the size of explosive volcanic eruptions based on magnitude and intensity?
What scale is used to describe the size of explosive volcanic eruptions based on magnitude and intensity?
What is one of the advantages of volcanoes mentioned in the text?
What is one of the advantages of volcanoes mentioned in the text?
What type of eruption is characterized by fountain lava and periodic explosions?
What type of eruption is characterized by fountain lava and periodic explosions?
Which type of eruption involves the contact between water and magma, resulting in explosive interactions?
Which type of eruption involves the contact between water and magma, resulting in explosive interactions?
What is a characteristic of Vulcanian eruptions?
What is a characteristic of Vulcanian eruptions?
Why are Phreatomagmatic eruptions considered explosive?
Why are Phreatomagmatic eruptions considered explosive?
Which eruption type can produce base surges along with a large column of fine ash?
Which eruption type can produce base surges along with a large column of fine ash?
What distinguishes Strombolian eruptions from Vulcanian eruptions?
What distinguishes Strombolian eruptions from Vulcanian eruptions?
