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Questions and Answers
What type of eruption is PHREATOMAGMATIC caused by?
What type of eruption is PHREATOMAGMATIC caused by?
- Contact between water and magma (correct)
- Interaction of ash and water
- Interaction of pyroclastics and magma
- Contact between lava and water
What is observed during a PHREATOMAGMATIC eruption?
What is observed during a PHREATOMAGMATIC eruption?
- High-speed lava fragments
- Large column of very fine ash and base surges (correct)
- Lava flows and fire fountains
- Pyroclastic flows reaching up to 20 km
What characterizes STROMBOLIAN eruptions?
What characterizes STROMBOLIAN eruptions?
- Periodic weak to violent eruption with fountain lava (correct)
- Sustained explosive eruptions lasting hours
- 20 km high lava blocks ejected from the vent
- Large column of ash and pyroclastic flow
From where can the water come from that triggers a phreatomagmatic eruption?
From where can the water come from that triggers a phreatomagmatic eruption?
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What is a characteristic of VULCANIAN eruptions?
What is a characteristic of VULCANIAN eruptions?
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Which type of eruption is PLINIAN?
Which type of eruption is PLINIAN?
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What distinguishes STROMBOLIAN eruptions from other types?
What distinguishes STROMBOLIAN eruptions from other types?
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What is common to both VULCANIAN and PLINIAN eruptions?
What is common to both VULCANIAN and PLINIAN eruptions?
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