Volcanology Trivia Questions
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Geological features and eruptions. Play Volcanology trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play.
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Sample Volcanology Questions
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This molten rock flowing down a mountainside during an eruption creates rivers of fire that can reach temperatures over 2,000°F.
- Lava
- Magma
- Pyroclast
- Tephra
In 79 AD, this famous Italian peak buried the cities of Pompeii and Herculaneum under volcanic ash, preserving them for centuries.
- Mount Etna
- Mount Vesuvius
- Mount Stromboli
- Mount Vulcano
The Hawaiian Islands were formed over this type of geological hotspot, where superheated rock rises from deep below Earth's crust.
- Subduction zone
- Rift valley
- Mantle plume
- Fault line
This circular depression forms at the summit of a volcano when the ground collapses into an emptied magma chamber below.
- Caldera
- Crater
- Vent
- Conduit
This famous national park in Wyoming sits atop a supervolcano that last erupted about 640,000 years ago.
- Yosemite
- Grand Teton
- Glacier
- Yellowstone
Volcanic rock that is so full of gas bubbles it can float on water is commonly called this.
- Obsidian
- Pumice
- Basalt
- Granite
This explosive Indonesian island gave us the loudest sound in recorded history when it erupted in 1883.
- Krakatoa
- Tambora
- Merapi
- Kelud
The molten rock that exists beneath Earth's surface before erupting is known by this term.
- Lava
- Tephra
- Magma
- Slag
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