Park University natural disasters

The locations of the worst dollar loss disasters for

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7. The locations of the worst dollar-loss disasters for the insurance industry present a very different  picture than the list of worst locations for fatalities in the last three decades of the twentieth century.  A. TRUE B. FALSE 8. With their up-and-down and side-to-side motions, S-waves shake the ground surface and can do  severe damage to buildings.  A. TRUE B. FALSE 9. Both Love and Rayleigh waves are referred to as L waves (long waves) because they take longer  periods of time to complete one cycle of motion and are slower moving relative to P- and S-waves.  A. TRUE B. FALSE 10. The biggest shaking event is called "the earthquake," the smaller ones before it are known as  foreshocks, and the smaller ones after it are called aftershocks.  11. Where the frequencies of seismic waves match the natural vibration frequencies of local geology and  buildings, destruction may be great.  12. There is little threat of a tsunami striking the east coast of the United States.  13. Earthquakes are most commonly caused by ______________.  A. explosions of nuclear bombs B. undersea landslides C. meteorite impacts D. volcanic activity E. sudden earth movements along faults   14. Using the S-P timing method, epicenters can be located using seismograms from a minimum of  ______ recording stations.  3
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GO125Natural Disasters, Final exam, CS Verma Park University 15. Usually, the biggest concern in designing buildings to withstand large earthquakes is the  ____________ components of movement.  16. Flexible buildings (made of wood or steel) have a ________ resonant period than a stiffer building  (one of brick or concrete).  A. longer B. shorter C. period does not depend on building stiffness   17. Prior to the 2004 event, the last major tsunami in the Indian Ocean struck in 1883 and killed about  36,000 people. This tsunami was caused by _________________. 
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