28.10 - Attenuation Relationships (Ground Motion Prediction Equations)
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Practice Questions
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What is attenuation?
💡 Hint: Think about how distance affects shaking intensity.
What does PGA stand for?
💡 Hint: Focus on the 'P' for peak.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does attenuation refer to in the context of earthquakes?
💡 Hint: Think about what happens to vibrations as you move away.
True or False: The Peak Ground Acceleration (PGA) can be directly measured at the source of an earthquake.
💡 Hint: Where does the measurement need to occur?
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Challenge Problems
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Given a magnitude 7.0 earthquake occurring at a depth of 10 km, use an attenuation model to estimate the PGA at a location 20 km away. Discuss your approach and calculations.
💡 Hint: Identify the constants for your specific model.
Analyze how geological variances might lead to the cropping of peaks in different seismic regions when predicting PGA. Provide examples.
💡 Hint: Consider how waves might change in shape and intensity.
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