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    Mathias vaughan4th(2) Mathias vaughan4th(2) Presentation Transcript

    • Earthquakes Are Awesome Mathias Vaughan Mrs. Smith 4th April 8, 2011
    • Basic Background Information
      • What is an earthquake?
      • An earthquake is a vibration which travels through the Earth’s crust.
      • How are earthquakes measured? Earthquakes are measured using a seismograph. They are usually measured in magnitude, but can be measured using the Marcelli Scale (which measures damage).
      • What does magnitude mean?
      • The size and/or amount of something.
      • How is magnitude measured? Magnitude used to be measured using the Richter Scale, but are now measured using the Moment Magnitude Scale.
    • Damage Caused by Earthquakes
      • Cracks in the ground
      • Objects breaking
      • Buildings are destroyed
      • Explosions and fires
    • Waves
      • What are earthquake waves called?
      • Seismic w aves
      • What two types of seismic waves are there?
      • They are called P waves and S waves
      • What two types of body waves are there?
      • Surfac e waves a nd seismic waves
    • Body Waves
      • How do P waves travel?
      • P wa ves trav el in all directions
      • How do S waves travel?
      • S wav es tra vel u p and dow n
      • Which move faster?
      • S wav es trav el faster
    • Elastic Rebound
      • Th eor y tha t states tha t earthquak  envisages gr adual de formation of the fault zone wi thout fau lt slippage until friction is overcome
      • It occu rs at a transfo rm bound ary
    • The Tohoku Earthquake
      • This quake occurred at :
      • 23:3 2
      • This quake occurred
      • At Honshu Jap an
      • The magnitude of this quake was
      • 7.9
    • Effects on the environment/earth
      • Cracks
      • Fir es
      • Nucle ar expo sure
    • Effects on the People of Japan
      • Exposure to r adiation
      • scar
      • Type one effect here
      Replace these words with an appropriate image. Replace these words with an appropriate image. Replace these words with an appropriate image.
    • Effects on the Economy of Japan
      • Type one effect here
      • Type one effect here
      • Type one effect here
      Replace these words with an appropriate image. Replace these words with an appropriate image. Replace these words with an appropriate image.
    • GPS Sensors
      • One interesting fact about this earthquake is that it moved several GPS sensors. This will require …(Type answer here)
      • How does elastic rebound explain this movement?
      • Type your answer here .
    • Tsunamis
      • What is a tsunami?
      • Type your answer here. You can erase the question.
      • How do tsunami waves appear at sea?
      • Type your answer here. You can erase the question.
      • How high can tsunami waves be?
      • Type your answer here. You can erase the question.
      • How fast can tsunami waves move?
      • Type your answer here. You can erase the question.
    • Websites Used
      • Copy and paste the URLs of the websites and articles you used.