Thursday, November 18, 2010

Earthquake quiz review

What are the three types of stress in the Earth's crust?
  • What characteristics of rocks does stress affect?
  • Which direction does the force take for each?
  • What does each type of stress do to rocks in the crust?
  • What type of plate boundary is associated with each?
What are the three types of faults?
  • What is the definition of a fault?
  • Which type of stress is related to each fault type?
  • Identify the foot-wall and hanging-wall for normal and reverse faults.
  • Identify the direction of movement along each type of fault.
What causes an earthquake?

In order to locate the epicenter of an earthquake:
  • How many locations do you need information from?
  • What information do you need from each location?
  • How do you interpret this information to make it useful?
Earthquake waves:
  • What types of waves are created in an earthquake?
  • In which directions does each type of wave move?
  • What are the relative speeds of P-waves, S-waves, and surface waves? (Which would you feel first, second, and third?)
Earthquake Scales:
  • What two general ways can an earthquake be measured?
  • Which two scales are currently used to measure earthquakes? (Hint: one of these scales has a predecessor that news anchors reference incorrectly all the time)
  • What is the difference between magnitude and intensity?

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