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Earthquakes Spring 08 Test 2 Page 11

Earthquakes Spring 08 Test 2 Page 11 - 67 Earthquakes can...

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Unformatted text preview: 67. Earthquakes can be triggered by human activities such as A. injection of fluids in the subsurface. B. building of dams and reservoirs. C. bomb blasts D. all of the above are correct E. none of the above. 68. Several recent earthquakes in Washington's Puget Sound region were caused by movement of the subducting plate. A. Pacific D. Juan de Fuca B. North American E. Cocos C. Nazca 69. Most of the really large earthquakes in the world are due to A. normal faulting B. thrust faulting Within a single plate C. subduction of tectonic plates D. strike slip motion between plate boundaries —-——+——H_ 70. As shown in the movie about the Kobe, Japan earthquake, first arrived the waves causing motion of the ground followed by the waves causing severe motion. A. P / up and down — surface / side to side B. surface / up and down — P / side to side C. P / side to side - surface / up and down D. surface / side to side — P / up and down 71. The dominant type of faulting in the Rio Grande Rift is A. transform faulting ' D. normal faulting B. reverse faulting E. thrust faulting C. strike slip faulting 72. The Charleston, South Carolina. earthquake of 1886 occurred along a seismic belt that may be related to A. an adjacent oceanic fracture zone on the Atlantic seafloor B. None of these are correct. C. canal building prior to the Civil War D. an ancient subduction zone beneath the Appalachian Mountains E. tectonic stresses transmitted across the North American continent from California 73. The Lenders, California, earthquake of 1992 offered a new View on how faults work. This is best described by A. isostacy, where buoyant behavior of the earth's crust causes upward motion and release of accumulated energy. .B. "windows of opportunity" behavior, where a sequence of earthquakes on multiple fault segments release accumulated energy. C. the elastic rebound theory, where a single fault ruptures releasing all accumulated energy. ...
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