LAS 2 - Earthquake

• Focus or Hypocenter - point in a rock's zone of weakness, where the breaking stars and seismic energy is released
• Epicenter - point on earth's surface that is directly above the focus
• Fault plane - focus of an earthquake
• Fault line - any edge of the fault plane that shows how much movement has taken place
• Fault Scarp - if fault plane is exposed above the ground
• Seismology is the study of earthquakes
• Seismic waves is waves that moves around and through the earth
• Intensity - tells how much a certain area was shaken of an earthquake
• Magnitude - the total amount of energy that was released by earthquake at focus