Practice Depth Classification Of Epicentres (24.12) - Epicentre - Earthquake Engineering

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6 sample questions

Question 1.
What is an epicentre?
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Think about where earthquakes start.
Question 2.
How deep do shallow-focus earthquakes typically occur?
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Consider the classification of earthquakes by their depth.
3Question 3.
What depth range characterizes a shallow-focus earthquake?
- 0-70 km
- 70-300 km
- 300-700 km
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Remember the depth categories discussed.
4Question 4.
True or False: Deep-focus earthquakes usually cause more damage than shallow-focus earthquakes.
- True
- False
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Consider the relationship between depth and surface damage.
Question 5.
A deep-focus earthquake occurs on the seafloor at a depth of 600 km. Describe the expected ground motion effects on nearby coastal cities 100 km away.
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What aspects of wave propagation could affect surface shaking?
Question 6.
Compare and contrast the potential for human impact during a shallow-focus earthquake versus an intermediate-focus earthquake in a large urban area.
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Reflect on how the depth affects the intensity of shaking and resulting damage.

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