31. The earthquake magnitude (Richter scale) is quantified by which of the following: (A) amount of movement on a fault (C) p-wave velocity (B) earthquake damage (D) maximum amplitude of seismic wave 32. Which if the following is not a reason why the stick slip cycle of earthquakes is not perfectly repeatable (i.e., the earthquake recurrence interval changes)? (A) rock strength varies with time (B) the rate at which energy builds up on a fault varies (C) the amount of energy released on a fault during an earthquake varies (D) the speed at which P and S waves travel differs. 33. Elastic rebound theory and the slip stick cycle implies all of the following except: (A) earthquakes occur when the fault resistance to movement is exceeded; (B) the process of fault rupture temporarily "resets" the amount of stress along a fault; (C) stress builds up along a fault over time until failure occurs; (D) since rupture is related to the buildup of stress, all rocks will fail under the same amount of stress. 34. According to the moment magnitude scale (Mw), a magnitude 7 earthquake would be 1,000 times greater than a magnitude earthquake. (C) 7 (D)4 (A) 9 (B) 4 35. Which geological setting would you expect to produce the largest amount of seismic activity? (A) a rift valley (C) a subduction zone (B) a transform boundary (D) the interior of a tectonic plate 36. Earthquakes that occur in a band called the subducted oceanic lithosphere. (A) Wegener belt (B) seismic gap can be used to track the motion of (C) Wadati-Benioff zone (D) Richter zone 37. Earthquake intensity (Mercalli) is estimated from: (A) surface vibrations at a seismometer (C) p and s wave arrival times (B) observations of damage (D) seismic refraction 38. One of these statements about the Moho is incorrect. Which one is it? (A) It is the boundary between the crust and mantle.
31. The earthquake magnitude (Richter scale) is quantified by which of the following: (A) amount of movement on a fault (C) p-wave velocity (B) earthquake damage (D) maximum amplitude of seismic wave 32. Which if the following is not a reason why the stick slip cycle of earthquakes is not perfectly repeatable (i.e., the earthquake recurrence interval changes)? (A) rock strength varies with time (B) the rate at which energy builds up on a fault varies (C) the amount of energy released on a fault during an earthquake varies (D) the speed at which P and S waves travel differs. 33. Elastic rebound theory and the slip stick cycle implies all of the following except: (A) earthquakes occur when the fault resistance to movement is exceeded; (B) the process of fault rupture temporarily "resets" the amount of stress along a fault; (C) stress builds up along a fault over time until failure occurs; (D) since rupture is related to the buildup of stress, all rocks will fail under the same amount of stress. 34. According to the moment magnitude scale (Mw), a magnitude 7 earthquake would be 1,000 times greater than a magnitude earthquake. (C) 7 (D)4 (A) 9 (B) 4 35. Which geological setting would you expect to produce the largest amount of seismic activity? (A) a rift valley (C) a subduction zone (B) a transform boundary (D) the interior of a tectonic plate 36. Earthquakes that occur in a band called the subducted oceanic lithosphere. (A) Wegener belt (B) seismic gap can be used to track the motion of (C) Wadati-Benioff zone (D) Richter zone 37. Earthquake intensity (Mercalli) is estimated from: (A) surface vibrations at a seismometer (C) p and s wave arrival times (B) observations of damage (D) seismic refraction 38. One of these statements about the Moho is incorrect. Which one is it? (A) It is the boundary between the crust and mantle.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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