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Author Question: What is the downside of using moment magnitude as an earthquake measurement? What will be an ... (Read 14 times)

tatyanajohnson

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on: Jul 16, 2018
What is the downside of using moment magnitude as an earthquake measurement?
 
  What will be an ideal response?

Question 2

How do we know why some rocks break and others flow?
 
  What will be an ideal response?


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olivia_paige29

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: It underestimates the amount of energy release, as earthquakes go on for a number of minutes.

Answer to Question 2

Answer: At different combinations of stress and strain rocks exhibit elastic, brittle, or plastic deformation. Increasing confining pressure increases rock strength and leads to plastic flow rather than brittle fracture. Increasing temperature decreases rock strength and enhances plastic flow.


tatyanajohnson

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Reply 2 on: Jul 16, 2018
Wow, this really help

shailee

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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