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University Primary School
Champaign, IL
January 13, 2011
Plate Tectonics
How to Explain: Mountains, Volcanoes, Sea Floor Bathymetry
Tectonic Plates
Earthquake Epicenters
Follow plate boundaries
Plate Shapes
and
Seismicity
Earth
crust is very thin!
Hard Boiled Egg - Egg Shell=Crust
2008 Earthquakes > M5.5
Global Seismographic Network
How Many?
Earthquake Magnitude and Equivalent Energy Comparisons
A fence built over a fault…
1906
San Francisco
Earthquake
Fence Offset
Earthquakes
travel
around
the
world.
Seismometer
Measures
Earthquakes