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  1. 1. Earthquakes!
  2. 2. Can Feel Like: <ul><li>The ground is heaving and shaking </li></ul><ul><li>Can cause serious damage to buildings, highways, homes, and people </li></ul>
  3. 3. From Long Ago…
  4. 4. … Or More Recently
  5. 5. Caused By: <ul><li>Earth’s tectonic plates (continents) moving and slipping against each other </li></ul><ul><li>Occurs where two plates meet: a fault </li></ul>
  6. 6. Why do they move?
  7. 7. Magma = Lava
  8. 9. Infamous Earthquake <ul><li>San Francisco, 1906 </li></ul><ul><li>Estimated 7.8 magnitude on the Richter Scale </li></ul><ul><ul><li>From 1(weakest) to 10 (strongest) </li></ul></ul>
  9. 10. Extreme Damage
  10. 12. Same Place, Different Time (1989)