What is meant by elastic rebound?
Understand the Problem
The question is asking for the definition or explanation of the term 'elastic rebound'. This is a geological concept related to how energy is released in the Earth's crust leading to earthquakes.
Answer
Elastic rebound refers to the release of accumulated strain in crustal material on either side of a fault during an earthquake.
Elastic rebound refers to what happens to the crustal material on either side of a fault during an earthquake. The crust deforms and accumulates strain until the accumulated strain overcomes the friction holding the fault together, resulting in an earthquake and the release of stored energy.
Answer for screen readers
Elastic rebound refers to what happens to the crustal material on either side of a fault during an earthquake. The crust deforms and accumulates strain until the accumulated strain overcomes the friction holding the fault together, resulting in an earthquake and the release of stored energy.
More Information
The elastic rebound theory, first proposed by Harry Fielding Reid, explains earthquakes as the sudden release of energy stored in the Earth's crust. This energy accumulates due to tectonic forces until the friction holding the fault breaks, resulting in seismic waves and fault displacement.
Tips
A common mistake when discussing elastic rebound is to overlook the role of friction and strain accumulation over time, which are crucial for understanding how energy is stored and released in fault zones.
Sources
- Elastic-rebound theory - Wikipedia - en.wikipedia.org
- Elastic Rebound Definition, Theory & Example - Lesson - Study.com - study.com
- Reid's Elastic Rebound Theory - Earthquake Hazards Program - earthquake.usgs.gov
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