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  1. 1. EarthquakesLocation of worldwide earthquakes
  2. 2. What are Earthquakes?• The shaking or trembling caused by the sudden release of energy• Usually associated with faulting or breaking of rocks• Continuing adjustment of position results in aftershocks
  3. 3. Earthquakes • Plates moving in any direction causes earthquakes • The worst are caused by plates rubbing past each other as in C • This happens along the Californian coast
  4. 4. Earthquakes
  5. 5. Earthquakes
  6. 6. Earthquakes
  7. 7. Earthquakes
  8. 8. Earthquakes epicentre seismic waves hypocentre (focus)Earthquakes are caused by a suddenrelease of energy fromthe Earth’s crust.
  9. 9. Effects of earthquakes Richter Scale 9.6 landslides tsunami damage to buildings epicentreChile (1960) seismic waves hypocentre (focus)