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Earthquakes and Elastic Rebound Theory

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Questions and Answers

What does the Elastic Rebound Theory explain?

Buildup of elastic energy in rocks (correct)

Tectonic plate movements

The causes of earthquakes

The structure of faults

What is stress in the context of geology?

A force that acts on rock to change its shape or volume

What does strain refer to?

Deformation of materials in response to stress

Define elasticity.

The ability of a material to return to its original size, shape, length, or volume when the stress acting on it is removed Signup and view all the answers

What is meant by elastic rebound?

The sudden return of elastically deformed rock to its undeformed shape Signup and view all the answers

What is elastic limit?

The maximum stress that a material will withstand without permanent deformation Signup and view all the answers

Study Notes

Elastic Rebound Theory

Describes how stress along a fault accumulates elastic energy in rocks.
Energy release occurs abruptly during an earthquake.

Stress

Defined as a force that influences the shape or volume of rock.
Can lead to deformation when applied.

Strain

Refers to the deformation experienced by materials due to applied stress.
Indicates how materials react to stress changes.

Elasticity

The capacity of materials to revert to their original form after stress is removed.
Critical to understanding how rocks behave under tectonic forces.

Elastic Rebound

Represents the rapid restoration of deformed rocks to their original state post-earthquake.
Illustrates the mechanics of energy release in geological formations.

Elastic Limit

Refers to the maximum stress a material can endure without experiencing permanent deformation.
Essential for understanding the point at which rocks may break or behave differently under stress.

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Description

This quiz focuses on understanding the Elastic Rebound Theory related to earthquakes. It elaborates on key terms such as stress and strain, exploring their definitions and implications in geological contexts. Perfect for students studying earth science or geology.