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  1. 1. Cecil Greene Austin Guyer Mrs. Smith 3rd Hour April 8, 2011 Earthquake Project
  2. 2. Basic Background Information <ul><li>1.)What is an earthquake? </li></ul><ul><li>An series of vibration in the Earths crust by the abrupt rupture of rocks. </li></ul><ul><li>2.) How are earthquakes measured? </li></ul><ul><li>Magnitude. 3.)What does magnitude mean? </li></ul><ul><li>The strength of an earthquake based on seismic waves. </li></ul><ul><li>3.)How is magnitude measured? </li></ul><ul><li>Richter scale </li></ul>
  3. 3. Damage Caused by Earthquakes <ul><li>Tsunamis </li></ul><ul><li>Buildings falling </li></ul><ul><li>Landslide </li></ul><ul><li>Liquefaction </li></ul>
  4. 4. Waves <ul><li>What are earthquake waves called? </li></ul><ul><li>Seismic wave. </li></ul><ul><li>What two types of seismic waves are there? </li></ul><ul><li>Body and Surface waves. </li></ul><ul><li>What two types of body waves are there? </li></ul><ul><li>P waves and S waves. </li></ul>
  5. 5. Body Waves <ul><li>How do P waves travel? </li></ul><ul><li>Compress and expand. </li></ul><ul><li>How do S waves travel? </li></ul><ul><li>Side to side and make the ground roll like oceans. </li></ul><ul><li>Which move faster? </li></ul><ul><li>P waves. </li></ul>
  6. 6. Elastic Rebound <ul><li>A theory of earthquakes that envisages gradual deformation of the fault zone. </li></ul><ul><li>An elastic rebound occur in a transform boundary. </li></ul>
  7. 7. The Tohoku Earthquake <ul><li>This quake occurred at : </li></ul><ul><li>Friday March 11 </li></ul><ul><li>This quake occurred </li></ul><ul><li>Tokyo Japan </li></ul><ul><li>The magnitude of this quake was </li></ul><ul><li>9.0 </li></ul>
  8. 8. Effects on the environment/earth <ul><li>Shifted the cost line 13 feet to the east. </li></ul><ul><li>Shifted earth on its axis by about 6.5 inches. </li></ul><ul><li>Cause the planet to rotate somewhat faster. </li></ul>
  9. 9. Effects on the People of Japan <ul><li>Nuclear reactor leaks radiation. </li></ul><ul><li>They are homeless. </li></ul><ul><li>Lost love ones </li></ul>
  10. 10. Effects on the Economy of Japan <ul><li>Can not manufacture as many parts. </li></ul><ul><li>Cant export produce if its contaminated. </li></ul><ul><li>Damaged factories cant make products to export. </li></ul>
  11. 11. GPS Sensors <ul><li>One interesting fact about this earthquake is that it moved several GPS sensors. This will require.. Maps, property records, and driving directions to be changed. </li></ul><ul><li>How does elastic rebound explain this movement? </li></ul><ul><li>Because Japans location was changed on the earth. </li></ul>
  12. 12. Tsunamis <ul><li>What is a tsunami? </li></ul><ul><li>An large ocean wave that is caused by earthquakes or volcanic eruptions. </li></ul><ul><li>How do tsunami waves appear at sea? </li></ul><ul><li>An under water earthquake or volcanic eruptions. </li></ul><ul><li>How high can tsunami waves be? </li></ul><ul><li>98 feet. </li></ul><ul><li>How fast can tsunami waves move? </li></ul><ul><li>5 hundred and 89 miles per hour. </li></ul>
  13. 13. Websites Used <ul><li> </li></ul>