Earthquakes

• Earthquake:

  • sudden and violent shaking of the earths crust caused by the passage of seismic waves
• focus point:

  • underground point where the fault rupture starts
• fault rupture:

  • when a fault deep within the earth breaks through to the surface when there is a movement
• Epicentre:

  • point directly above focus point on earths surface
• What are the 3 types of seismic waves:

  • p waves
  • s waves
  • surface waves