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Tsunamis And Earthquakes



on 11 March 2010

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Transcript of Tsunamis And Earthquakes

By Aaron Wendt Tsunamis and Earthquakes Tsunamis are normally caused
by earthquakes, just like the
one in Chile a week or two ago! Tsunamis are sometimes called 'tidal waves' but that is incorrect. Tidal waves are not tsunamis,
just waves that happen to be
bigger than normal waves. Earthquakes are caused
by plates shifting. Plates are sections of
earth that are floating around on the magma under
the earth's crust. Plates make up the
earth's crust. d I believe that earthquakes are THE most
destructive force on earth, but they
prbably aren't. The deadliest earthquake was in China and it killed more than
850,000 people! The deadliest Tsunami
killed 150,000 people. Tsunamis are very
destructive too! Tsunamis can destroy
homes, ruin buisinesses,
and they have killed many
people over time, and
in sometimes one tsunami
kills lots of people! http://nctr.pmel.noaa.gov/Mov/DART_04.swf 1. Do Tsunamis Kill People?
2. How are the Forces of earthquakes caclulated?
3. How are tsunami warnings given?
4. What are Tsunamis?
5. What are earthquakes? The force of the
earthquake is measured
by the Richter Scale. The answers:
1. yes
2. the Richter Scale
3. buoys in th water sense the
tsunami by shaking and getting
lifted up by the waves
4. Waves caused by earthquakes
5. plates shifting so then the earth
shakes as it moves en.wikipedia.org/wiki/Tsunami http://en.wikipedia.org/wiki/Earthquakes
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