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Pressonand walker

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Pressonand walker

  1. 1. Dylan Walker, Jake Presson Mrs. Smith 4 April 8, 2011 EARTHQUAKES
  2. 2. Basic Background Information <ul><li>What is an earthquake? Is the result of a sudden release of energy. </li></ul><ul><li>How are earthquakes measured? By moment magnitude. </li></ul><ul><li>What does magnitude mean? Magnitude </li></ul><ul><li>How is magnitude measured? Seismograph. </li></ul>
  3. 3. Damage Caused by Earthquakes <ul><li>buildings collapsing. </li></ul><ul><li>Bridges collapsing. </li></ul><ul><li>Houses crumbling to bits. </li></ul><ul><li>People dieing. </li></ul>
  4. 4. Waves <ul><li>Surface waves. </li></ul><ul><li>P and s waves. </li></ul><ul><li>Primary secondary waves. </li></ul>
  5. 5. Body Waves <ul><li>Up and down, side to side </li></ul><ul><li>S waves back and forth </li></ul><ul><li>S waves move faster. </li></ul>
  6. 6. Elastic Rebound <ul><li>How energy is an explanation how energy spread during on earthquakes. </li></ul><ul><li>Strike slip. </li></ul>
  7. 7. The Tohoku Earthquake <ul><li>This quake occurred at : Well, northeast Honshu. </li></ul><ul><li>This quake occurred : At 4:53 pm. </li></ul><ul><li>The magnitude of this quake was : 9.0 </li></ul>
  8. 8. Effects on the environment/earth <ul><li>Trees will fall. </li></ul><ul><li>The collapse of structures. </li></ul><ul><li>Shift of the land. </li></ul>
  9. 9. Effects on the People of Japan <ul><li>Radiation to people. </li></ul><ul><li>People will die. </li></ul><ul><li>People will have no place to live. </li></ul>
  10. 10. Effects on the Economy of Japan <ul><li>Destroyed the cities, business open. </li></ul><ul><li>People can not work. </li></ul><ul><li>Hard to get around, loss of food. </li></ul>
  11. 11. GPS Sensors <ul><li>One interesting fact about this earthquake is that it moved several GPS sensors. This will require a GPS. </li></ul><ul><li>How does elastic rebound explain this movement? It effects the waves on the GPS. </li></ul>
  12. 12. Tsunamis <ul><li>What is a tsunami? </li></ul><ul><li>Displacement of a large volume of a body of water </li></ul><ul><li>How do tsunami waves appear at sea? </li></ul><ul><li>Water waves caused by the displacement of a large volume of a body of water. </li></ul><ul><li>How high can tsunami waves be? Up to 120 feet. </li></ul><ul><li>How fast can tsunami waves move? 500 miles per hour. </li></ul>

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