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Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
Selena+esse
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Selena+esse

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  • 1. Earthquakes Selena Esse Mrs. Smith 4th hour April 8, 2011
  • 2. Basic Background Information <ul><li>What is an earthquake? a series of vibrations induced in the earth&apos;s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. </li></ul><ul><li>How are earthquakes measured? </li></ul><ul><li>Earthquakes are measured by seismographs. </li></ul><ul><li>What does magnitude mean? </li></ul><ul><li>The property of relative size or extent. </li></ul><ul><li>How is magnitude measured? </li></ul><ul><li>The magnitude of most earthquakes is measured on the Richter scale. </li></ul>
  • 3. Damage Caused by Earthquakes <ul><li>Landslides -Dramatic ground movement can cause the ground to rupture and bluffs to collapse. </li></ul><ul><li>Building Collapse- The August 1999 earthquake in Turkey, 17,127 people dead and 43,953 injured. </li></ul><ul><li>Tsunamis -The Sumatran earthquake of 2004,caused hundreds of thousands of deaths in a dozen countries when this undersea quake sent a huge tsunami crashing over shores around the Indian Ocean. </li></ul><ul><li>. </li></ul>
  • 4. Waves <ul><li>What are earthquake waves called? </li></ul><ul><li>Seismic Waves </li></ul><ul><li>What two types of seismic waves are there? </li></ul><ul><li>A P.Wave, and a S.Wave. </li></ul><ul><li>What two types of body waves are there? </li></ul><ul><li>A P.wave, and a S.Wave. </li></ul>
  • 5. Body Waves <ul><li>How do P waves travel? </li></ul><ul><li>They can travel through solid,liquid and gas,so it will pass completely through the body of the earth. </li></ul><ul><li>How do S waves travel? </li></ul><ul><li>They only travel through solid material,and are stopped at the liquid layer in the earths core. </li></ul><ul><li>Which move faster? </li></ul><ul><li>Primary waves move faster. </li></ul>
  • 6. Elastic Rebound <ul><li>Replace these directions with your description of elastic rebound. </li></ul><ul><li>You may also insert images or an animation to help explain. </li></ul><ul><li>In what type of plate boundary does elastic rebound occur? </li></ul>
  • 7. The Tohoku Earthquake <ul><li>This quake occurred at : </li></ul><ul><li>At 05:46:23. </li></ul><ul><li>This quake occurred </li></ul><ul><li>Friday,March 11,2011. </li></ul><ul><li>The magnitude of this quake was </li></ul><ul><li>9.0 </li></ul>
  • 8. Effects on the enviroment/earth Replace these words with an appropriate image. Replace these words with an appropriate image. Replace these words with an appropriate image.
  • 9. Effects on the People of Japan <ul><li>Type one effect here </li></ul><ul><li>Type one effect here </li></ul><ul><li>Type one effect here </li></ul>Replace these words with an appropriate image. Replace these words with an appropriate image. Replace these words with an appropriate image.
  • 10. Effects on the Economy of Japan <ul><li>Type one effect here </li></ul><ul><li>Type one effect here </li></ul><ul><li>Type one effect here </li></ul>Replace these words with an appropriate image. Replace these words with an appropriate image. Replace these words with an appropriate image.
  • 11. GPS Sensors <ul><li>One interesting fact about this earthquake is that it moved several GPS sensors. This will require …(Type answer here) </li></ul><ul><li>How does elastic rebound explain this movement? </li></ul><ul><li>Type your answer here . </li></ul>
  • 12. Tsunamis <ul><li>What is a tsunami? </li></ul><ul><li>Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. </li></ul><ul><li>How do tsunami waves appear at sea? </li></ul><ul><li>How high can tsunami waves be? </li></ul><ul><li>How fast can tsunami waves move? </li></ul>
  • 13. Websites Used <ul><li>Copy and paste the URLs of the websites and articles you used. </li></ul>

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