Practice Earthquake Recurrence And Return Period (19.17) - Elements of Seismology

Practice: Earthquake Recurrence and Return Period

Lesson 19.17Elements of Seismology

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a recurrence interval?
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Think about what helps us predict future earthquakes.
Question 2.
What does the letter N represent in the Gutenberg-Richter relationship?
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N is not a random letter; it signifies quantity.
3Question 3.
What is the recurrence interval of earthquakes?
- The time between two large earthquakes
- The magnitude of an earthquake
- The distance between earthquakes
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Think about prediction.
4Question 4.
True or False: The Gutenberg-Richter relationship can be used to predict individual earthquakes.
- True
- False
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Remember what statistical models can do.
Question 5.
You have data showing large earthquakes on a fault line occurred in 1906, 1950, and 1988. What is the recurrence interval for this fault segment if the next earthquake is anticipated using this data?
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Calculate the time between each event for a clearer picture.
Question 6.
Evaluate the effectiveness of using the Gutenberg-Richter relationship for a region with very infrequent large earthquakes. What limitations might there be?
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Consider the role of sample size in statistical models.

5 more questions in this section. Enroll free to practise them all.