Boom, Boom Earthquakes
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Boom, Boom Earthquakes

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  • It's not a bad presentation but the first few slides are not clear enough.
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    Boom, Boom Earthquakes Boom, Boom Earthquakes Presentation Transcript

    • Boom, Boom Earthquakes By Danny and Moises
    • How earthquakes happen
      • Sometimes it happens when a transform boundary occurs
      • That is when two plates slide past each other
    • Earth’s plates
      • Earth has 12 tectonic plates
      • They have lots of force
      • Forces are examples for stress
      • The Earth’s plates are like a candy bar
    • Types of stress
      • There is a stress called tension
      • Tension stretches rock
    • Stress
      • There is one called compression
      • Compression pushes rock’s together
    • More stress…
      • Shearing is also a type of stress
      • Shearing has the power to cause masses of rock to slip
    • Types of Faults
      • One type of fault is a normal fault
    • Reverse fault
      • There is one type of force it is a reverse fault
      • It makes the hanging wall move up relative to the footwall
    • Strike-slip fault
      • There is a fault called strike-slip fault
      • Strike slip fault go past each other
    • Anticline, Syncline, and Plateau
      • A anticline is an upward fold formed by compression
      • Syncline is a downward fold in a rock
      • Plateau is a large area of flat land high above above sea level
      • Natural Earthquakes happen by surprise
      • They can be really dangerous
      The Natural Earthquake
    • Web sites
      • http://static.howstuffworks.com/gif/12-of-the-most-destructive-earthquakes.jpg
      http://www.windows.ucar.edu/earth/images/earth_plates_usgs_L.jpg http://www.disastervideo.net/earthquake-car.php http://phobos.ramapo.edu/~erainfor/SW04/07MCfault.JPG http://www.geography4kids.com/misc/photos/shearing.jpg http://www.indiana.edu/~g103/G103/week9/revfault.jpg