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  • 1. Replace this with YOUR title Customize your font!! Jennifer Bosworth and Brittany east Mrs.. Smith 5TH April 8, 2011
  • 2. Basic Background Information
    • What is an earthquake?
    • The shaking that results from the movement of rock beneath earths surface.
    • How are earthquakes measured?
    • The instrument used to measure earthquakes is called a seismograph.There are three ways of measuring earthquakes the mercalli scale,the Richter scale,and the moment magnitude scale
    • What does magnitude mean?
    • Magnitude is the measurement of earthquake strength based on seismic waves and movement along fault.
    • How is magnitude measured?
    • It is measured in three different types of scales(mercalli scale,Richter scale,and moment magnitude scale)
  • 3. Damage Caused by Earthquakes
    • Landslides
    • Buildings falling off foundations
    • Wide cracks in the ground
    • tsunamis
  • 4. Waves
    • What are earthquake waves called?
    • Seismic waves(P waves, S waves ,and surface waves)
    • What two types of seismic waves are there?
    • P waves and S waves.
    • What two types of body waves are there?
    • P waves and S waves.
  • 5. Body Waves
    • How do P waves travel?
    • They leave the focus by compressing and expanding to earths surface.
    • How do S waves travel?
    • They leave the focus by moving from side to side up to earths surface
    • Which move faster?
    • P waves
  • 6. Elastic Rebound
    • An elastic rebound is where a bend in earths surface occurs and breaks the land so it is straight.
    • An elastic rebound occurs at a transform boundary.
  • 7. The Tohoku Earthquake
    • This quake occurred at :
    • 5:46
    • This quake occurred
    • tohoku
    • The magnitude of this quake was
    • 9.0
  • 8. Effects on the environment/earth
    • Nuclear radiation was released into the air and water.
    • The problems were reported at two nuclear plants run by Tohoku Electric Power Co
  • 9. Effects on the People of Japan
    • Many people had to flee buildings.
    • People who had houses near the power plants had to be evacuated.
    • Millions of dollars worth of damage was needed to help repair.
  • 10. Effects on the Economy of Japan
    • Millions of dollars were spent on the repair from the earthquake.
    • Thousand of homes were destroyed.
    • Many of people were killed
  • 11. GPS Sensors
    • One interesting fact about this earthquake is that it moved several GPS sensors. This will require …new gps maps.
    • How does elastic rebound explain this movement?
  • 12. Tsunamis
    • What is a tsunami?
    • An unusualy large sea wave caused by a sea quake..
    • 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.
  • 13. Websites Used
    • Copy and paste the URLs of the websites and articles you used.