EducTech

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EducTech

  1. 1. Earthquake
  2. 2. What is an Earthquake? Also known as quake, tremor or temblor It is a sudden release of energy in the Earths crust that creates seismic waves.
  3. 3. Seismic Activity Also known as seismicity or seismism. It is the frequency, type and size of an earthquake experienced over a period of time.
  4. 4. Seismometers Instrument used to measure an earthquake.
  5. 5. Fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement along the fractures
  6. 6. Epicenter is the point on the Earths surface that is directly above the hypocenter or focus, the point where an earthquake originates
  7. 7. What causes an earthquake? Rupture of geological faults Volcanic activity Landslides Mine blasts Nuclear tests
  8. 8. What are the effects of an earthquake?
  9. 9. What are the effects of an earthquake? Shaking and ground rupture Landslides and avalanches Fires Soil liquefaction Tsunami Floods Human impacts
  10. 10. How to survive an earthquake? Prepare Be calm
  11. 11. How to survive an earthquake?

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