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7th

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Measuring Earthquakes

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  • 1. Multiple Choice
    1 minute
    1 pt
    What are seismic waves?
    Energy released by an earthquake in waves or vibrations
    The point beneath Earth’s surface at which rock under stress breaks and triggers an earthquake
    The point on the surface directly above the point at which an earthquake occurs
    The strength of an earthquake
  • 2. Multiple Choice
    1 minute
    1 pt
    In what order do the three types of seismic waves arrive at a seismograph?
    S wave, P wave, Surface wave
    Surface wave, P wave and S wave
    P wave, S wave and Surface wave
    P wave, Surface wave and S wave
  • 3. Multiple Choice
    1 minute
    1 pt
    Which type of seismic wave produces the most severe ground movement?
    P wave
    S wave
    Surface wave
    None of the above
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