Earthquakes Hazards and Safety PPT Name: ____________________________________________________ Period: _____ Date: __________ Essential Question: How do we protect ourselves from earthquakes? 1. In what area of our planet are earthquakes most common? ______________________________________________________________________________________________ 2. How is Earth affected by plate boundaries? ______________________________________________________________________________________________ 3. Which is the hanging wall and which is the foot wall in a fault? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 4. Describe the motion of the foot wall and the hanging wall in a normal fault. ______________________________________________________________________________________________ ______________________________________________________________________________________________ 5. Describe the motion of the foot wall and the hanging wall in a reverse fault. ______________________________________________________________________________________________ ______________________________________________________________________________________________ 6. What is the location within Earth where earthquake begin? ______________________________________________________________________________________________ 7. Which state has the most frequent earthquakes? Why? ______________________________________________________________________________________________ 8. Describe the locations of nuclear power plants in the United States? Any relation with the earthquake map? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 9. How do seismologists determine the location of the EPICENTER? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 10. Stress causes Strain. What are the three types of strain? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 11. Seismic waves are produced by earthquakes. What are the three types of seismic waves? ______________________________________________________________________________________________ 12. Describe the movements of the three types of seismic waves? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 13. What is the difference between intensity and magnitude? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 14. Which will have a higher intensity of earthquake given the same magnitude? ______________________________________________________________________________________________ 15. How is the intensity affected by the distance from the epicenter? ______________________________________________________________________________________________ 16.Why are seismic waves of an earthquake more strongly felt at the epicenter of an earthquake? ______________________________________________________________________________________________ ______________________________________________________________________________________________ 17. How are we affected by earthquakes? ______________________________________________________________________________________________ 18. What can we do protect ourselves against the dangers of earthquakes? ______________________________________________________________________________________________ 19. Why are aftershocks so dangerous? ______________________________________________________________________________________________ ______________________________________________________________________________________________ __1 . __2. . ___3 . ___4 . Read more: http://www.smithsonianmag.com/science-nature/seven-factors-that-contribute-to-the-destructiveness-of-an-earthquake44395116/#qUAxC3Chx7LxGWCd.99 http://www.problem-attic.com/ Define the following using the internet or your textbook. Epicenter ( p. 499 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Fault ( p. 497 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Focus ( p. 499 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Primary wave ( p. 498 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Secondary wave ( p. 498 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Strain ( p. 496 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Stress ( p. 495 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Surface wave ( p. 498 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Magnitude ( p. 505 ) ______________________________________________________________________________________________ ____________________________________________________________________________ Intensity (p. 506) ______________________________________________________________________________________________ ____________________________________________________________________________
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