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Ashley+and+jessica Ashley+and+jessica Presentation Transcript

  • Earthquake Project Ashley Hammon Jessica Brock Mrs. Smith 3rd hour April 8, 2011
  • Basic Background Information
    • What is an earthquake?
    • A series of vibrations in the earth’s crust.
    • How are earthquakes measured?
    • Earthquakes are measured by magnitude.
    • What does magnitude mean?
    • Magnitude is the measurement of an earthquakes strength.
    • How is magnitude measured?
    • Magnitude is measured by the Richter Scale.
  • Damage Caused by Earthquakes
    • Cracks in the crust.
    • Pipe lines break.
    • Housing and buildings get damaged.
    • Tsunami’s and landslides form.
    View slide
  • Waves
    • What are earthquake waves called?
    • They are called seismic waves.
    • What two types of seismic waves are there?
    • Primary and Secondary waves. ( P & S waves)
    • What two types of body waves are there?
    • Surface waves and Body waves.
    View slide
  • Body Waves
    • How do P waves travel?
    • P waves have the ability to travel through liquids and solids.
    • How do S waves travel?
    • S waves can only travel through solids.
    • Which move faster?
    • Primary waves move faster than Secondary waves. They are also the first to arrive at the surface.
  • Elastic Rebound
    • Elastic Rebound is a mechanism used by geologists to explain earthquakes and surface ruptures.
    • Elastic Rebound occurs in a divergent plate boundary.
  • The Tohoku Earthquake
    • This quake occurred at :
    • 5:46pm
    • This quake occurred at :
    • Northeast Honshu, Japan.
    • The magnitude of this quake was
    • 9.0
  • Effects on the environment/earth
    • Homes and buildings were knocked over.
    • People died, which caused population to decrease.
    • Pipe lines break causing the water to not work.
  • Effects on the People of Japan
    • No homes for many people.
    • Many people have died.
    • Many people have gone missing.
  • Effects on the Economy of Japan
    • Ruined fishing because of the radiation leak.
    • Most of the food has radiation in it.
    • Automotive industry can’t make parts, which means no money will be coming in.
  • GPS Sensors
    • One interesting fact about this earthquake is that it moved several GPS sensors. This will require
    • How does elastic rebound explain this movement?
    • Type your answer here .
  • Tsunamis
    • What is a tsunami?
    • A long high sea wave caused by an earthquake or other high disturbance.
    • How do tsunami waves appear at sea?
    • They are barely visible.
    • How high can tsunami waves be?
    • 30 meters.
    • How fast can tsunami waves move?
    • From 30 miles to 500 mph.
  • Websites Used
    • Copy and paste the URLs of the websites and articles you used.