ScienceEarth ScienceChapter 6: More Volcanoes! Hazardous Stuff!
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Chapter 6: More Volcanoes! Hazardous Stuff!

Myla Baker avatar Myla Baker
24 July 2022
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20 test answers

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question
Hazards associated with basaltic lava flows and eruptions are:
answer
all of these
question
Which of the following are hazards associated with scoria cones?
answer
all of these
question
Volcanic mudflows (lahars) are common on composite volcanoes because:
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large amounts of rain and snowmelt mix with loose ash on steep slopes
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The classic volcano shape is displayed by:
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a composite volcano
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Composite volcanoes are so called because they:
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are composed of lava flows, pyroclastic material, and mudflows
question
What types of rocks would be most common in a composite volcano?
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felsic and intermediate lava flows and tephra
question
Which of the following are dangerous aspects of composite volcanoes?
answer
all of these
question
What was the most damaging type of eruption that occurred at Vesuvius in Italy?
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One or more pyroclastic flows hit the city of Pompeii.
question
Which of the following are characteristics typical of volcanic domes?
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all of these
question
Volcanic domes commonly form from all of the following rocks except:
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basalt
question
The main cause of caldera collapse is:
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collapse of the roof of a magma chamber as magma erupts
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The main hazard of an eruption that forms a large caldera is:
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burning, building collapse, and suffocation from an eruption column and pyroclastic flows
question
Which of the following is NOT a rock typically found within calderas?
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gabbro
question
Some scientists think that Yellowstone could cause a future disaster because:
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all of these
question
What tectonic setting is interpreted to be the cause of volcanism at Yellowstone?
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movement of North America over a mantle plume
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Which of the following types of eruptions is among the most deadly of natural disasters?
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Caldera-forming
question
The largest concentration of composite volcanoes on Earth is located along the:
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Pacific Ring of Fire
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Which of the following activities is NOT used to monitor volcanoes?
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all of these are used to monitor volcanoes
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Which of the following commonly precede a volcanic eruption?
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all of these
question
Magma rising through the crust fractures rocks, producing rhythmic, repeating:
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seismic shaking