Brittany+and+aleksandra

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Brittany+and+aleksandra

  1. 1. Earthquakes Brittany Connelly Aleksandra Kocz Mrs. Smith 3rd Hour April 8, 2011
  2. 2. Basic Background Information <ul><li>-What is an earthquake? </li></ul><ul><li>The shaking that results from the movement of rock beneath Earth’s surface . </li></ul><ul><li>-How are earthquakes measured? </li></ul><ul><li>Seismic Waves . </li></ul><ul><li>-What does magnitude mean? </li></ul><ul><li>A measurement of earthquake strength based on seismic waves and movement along faults . </li></ul><ul><li>-How is magnitude measured? </li></ul><ul><li>Movement Magnitude Scale . </li></ul>
  3. 3. Damage Caused by Earthquakes <ul><li>Tsunami . </li></ul><ul><li>Death . </li></ul><ul><li>Damaged Nuclear Power Plants . </li></ul><ul><li>Buildings Fall Apart . </li></ul>
  4. 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>Primary and Secondary . </li></ul><ul><li>What two types of body waves are there? </li></ul><ul><li>Primary and Secondary . </li></ul>
  5. 5. Body Waves <ul><li>How do P waves travel? </li></ul><ul><li>Stretch and compress the rock in their path through Earth . </li></ul><ul><li>How do S waves travel? </li></ul><ul><li>Move the rock in their path up and down and side to side . </li></ul><ul><li>Which move faster? </li></ul><ul><li>Seismic Waves . </li></ul>
  6. 6. Elastic Rebound <ul><li>Theory of earthquakes that envisades gradual deformination of the fault slippage until friction is overcome , when suddenly slips to produce the earthquake . </li></ul><ul><li>The elastic rebound theory of earthquakes sources allows rough prediction of the occurrence of large shallow earthquakes . </li></ul><ul><li>The uplift associated with earthquakes and mountain building. Uplift of the Earth’s surface also has occurred in response to the removal of Pleistocene ice sheets through melting and wastage . </li></ul><ul><li>Elastic rebounds occur in the </li></ul>
  7. 7. The Tohoku Earthquake <ul><li>This quake occurred at : </li></ul><ul><li>2:46 p.m. </li></ul><ul><li>This quake occurred </li></ul><ul><li>East , West . </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>Caused the planet to rotate faster , shortening the length of the day by about 1.0 millionths of a second . </li></ul><ul><li>Tsunami . </li></ul><ul><li>Changed Shifts . </li></ul>
  9. 9. Effects on the People of Japan <ul><li>Famine . </li></ul><ul><li>Missing People . </li></ul><ul><li>Limited Resources . </li></ul>
  10. 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. 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. 12. Tsunamis <ul><li>What is a tsunami? </li></ul><ul><li>Type your answer here. You can erase the question. </li></ul><ul><li>How do tsunami waves appear at sea? </li></ul><ul><li>Type your answer here. You can erase the question. </li></ul><ul><li>How high can tsunami waves be? </li></ul><ul><li>Type your answer here. You can erase the question. </li></ul><ul><li>How fast can tsunami waves move? </li></ul><ul><li>Type your answer here. You can erase the question. </li></ul>
  13. 13. Websites Used <ul><li>Copy and paste the URLs of the websites and articles you used. </li></ul>

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