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Aftershock
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Vibrations that follow an earthquake
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Asthenosphere |
Part of the Earth that lies beneath the lithosphere and consists of fluid-like rock
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Caldera |
A large depression formed when a volcano collapses into the empty magma chamber after an eruption
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Cinder cone |
A steep slope formed from deposits ejected from a volcano
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Composite cone |
Steep slope formed of alternating layers of solid rock and tephra from volcanic eruptions
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Continental crust |
Landmass material
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Continental drift |
Theory that all landmass was once a single continent that broke apart, leading to the relative movement of continents today
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Convection current |
Movement of a fluid caused by a difference in temperature
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Convergent boundary |
A border between two tectonic plates in which the plates collide with each other
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Crust
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The outermost layer of the Earth
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Density |
Rhe ratio of an object's mass divided by its volume
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Divergent boundary |
A border between two tectonic plates in which the plates move away from each other
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Earthquake |
Sudden movement of the Earth's crust
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Elastic rebound theory
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Rheory stating that rocks stressed past their breaking point fracture and release energy as waves
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Epicenter |
Point on Earth’s surface directly above the focus of an earthquake
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