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Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
Brittany+and+aleksandra
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Brittany+and+aleksandra

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Transcript

  • 1. EarthquakesBrittany ConnellyAleksandra Kocz Mrs. Smith 3rd Hour April 8, 2011
  • 2. Basic Background Information-What is an earthquake?The shaking that results from the movement of rock beneath Earth’s surface .-How are earthquakes measured?Seismic Waves .-What does magnitude mean?A measurement of earthquake strength based on seismic waves and movement along faults .-How is magnitude measured?Movement Magnitude Scale .
  • 3. Damage Caused by Earthquakes• Tsunami .• Death .• Damaged Nuclear Power Plants .• Buildings Fall Apart .
  • 4. WavesWhat are earthquake waves called?Seismic Waves .What two types of seismic waves are there?Primary and Secondary .What two types of body waves are there?Primary and Secondary .
  • 5. Body WavesHow do P waves travel?Stretch and compress the rock in their path through Earth .How do S waves travel?Move the rock in their path up and down and side to side .Which move faster?Seismic Waves .
  • 6. Elastic ReboundTheory of earthquakes that envisades gradual deformination of the fault slippage until friction is overcome , when suddenly slips to produce the earthquake .The elastic rebound theory of earthquakes sources allows rough prediction of the occurrence of large shallow earthquakes .The uplift associated with earthquakes and mountain building. Uplift of the Earth’s surface also has occurred in response to the removal of Pleistocene ice sheets through melting and wastage .Elastic rebounds occur in the QuickTime™ and a decompressor are need ed to see this picture.
  • 7. The Tohoku EarthquakeThis quake occurred at :2:46 p.m.This quake occurredEast , West .The magnitude of this quake was9.0
  • 8. Effects on the environment/earthCaused the planet to rotate Quic kTime™ and a decompres sor ar e neede d to s ee this picture. faster , shortening the length of the day by about 1.0 millionths of a second . QuickTime™ and a decompressor are need ed to see this picture.Tsunami .Changed Shifts . QuickTime™ and a decompressor are neede d to see this picture.
  • 9. Effects on the People of JapanFamine . QuickTime™ and a decompressor are neede d to see this picture.Missing People . QuickTime™ and a decompressor are neede d to se e this picture.Limited Resources . Quic kTime™ and a decompres sor ar e neede d to s ee this picture.
  • 10. Effects on the Economy of Japan• Type one effect here Replace these words with an appropriate image.• Type one effect here Replace these words with an appropriate image.• Type one effect here Replace these words with an appropriate image.
  • 11. GPS Sensors• One interesting fact about this earthquake is that it moved several GPS sensors. This will require …(Type answer here)• How does elastic rebound explain this movement?Type your answer here.
  • 12. Tsunamis• What is a tsunami?Type your answer here. You can erase the question.• How do tsunami waves appear at sea?Type your answer here. You can erase the question.• How high can tsunami waves be?Type your answer here. You can erase the question.• How fast can tsunami waves move?Type your answer here. You can erase the question.
  • 13. Websites UsedCopy and paste the URLs of the websites and articles you used.

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