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Earthquakes

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  • What type of fault forms where two blocks of rock slide horizontally past each other
    strike-slip
  • What is the focus of an earthquake?
    the area where the rocks first move along a fault inside the earth
  • What is the name of the fault in California with the greatest earthquake risk?
    San Andreas Fault
  • Vibrations in the ground that result from movement along faults
    earthquake
  • energy that travels as vibrations on/in earth
    seismic waves
  • What causes an earthquake
    buildup and release of stress along a fault
  • What tool is used to detect an earthquake
    seismometer
  • Where do most earthquakes happen?
    along tectonic plate boundaries
  • What measures the magnitude of an earthquake or the amount of ground motion at given distance
    richter scale
  • Which type of seismic waves cause the most damage in an earthquake?
    surface waves
  • What is the epicenter of an earthquake
    the location on earth's surface directly above the focus
  • What type of seismic waves are the fastest and first to be recorded during an earthquake?
    P-waves
  • A break in the lithosphere where one block of rock moves towards, away from, or past another
    fault
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