Volcanology Trivia Questions
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- 🗂️ Earth Science
- 🎚️ Easy to expert
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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. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
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Sample Volcanology Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This molten rock flowing down a mountainside during an eruption creates rivers of fire that can reach temperatures over 2,000°F.
Difficulty: Easy- Lava
- Magma
- Pyroclast
- Tephra
This type of volcanic deposit forms when hot pyroclastic material welds together upon landing, creating a distinctive rock.
Difficulty: Medium- Tuff
- Ignimbrite
- Agglomerate
- Breccia
This parameter, the negative slope of the earthquake frequency-magnitude relationship on a log scale, indicates stress state and may change before eruptions.
Difficulty: Hard- b-value
- a-value
- Corner frequency
- Stress drop
In 79 AD, this famous Italian peak buried the cities of Pompeii and Herculaneum under volcanic ash, preserving them for centuries.
Difficulty: Easy- Mount Etna
- Mount Vesuvius
- Mount Stromboli
- Mount Vulcano
The measure of a magma's resistance to flow, which greatly influences eruption style, is called this property.
Difficulty: Medium- Density
- Porosity
- Viscosity
- Plasticity
This thermodynamic concept explains why magma rises through less dense material by considering the pressure difference between liquid and solid columns.
Difficulty: Hard- Thermal gradient
- Adiabatic cooling
- Magmastatic head
- Hydrostatic equilibrium
The Hawaiian Islands were formed over this type of geological hotspot, where superheated rock rises from deep below Earth's crust.
Difficulty: Easy- Subduction zone
- Rift valley
- Mantle plume
- Fault line
This Ethiopian volcano in the Afar region hosts one of Earth's few persistent bodies of molten rock at its summit.
Difficulty: Medium- Erta Ale
- Ol Doinyo Lengai
- Mount Nyamuragira
- Dallol
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