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HW#20: Earthquakes & Earth's Interior

Instructions: Answer the questions below using one to five sentences.

 

7.  What information does a travel–time graph provide?

 

8.  What does the Modified Mercalli Intensity scale tell us about an earthquake?

 

9.  How much more energy does a magnitude 7.0 earthquake release than a magnitude 6.0 earthquake?

 

10.  Why is the moment magnitude scale favored over the Richter scale for large earthquakes?

 

11.  List four factors that influence the amount of destruction that seismic vibrations cause to human-made structures.

 

12.  What is a tsunami? How are tsunamis generated?