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Knipp-7D-Martin
Earthquake Facts
15
Geology
7th Grade
01/08/2013

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Cards

Term
Normal Fault
Definition
A geologic fault in which the hanging wall has moved downward relative to the footwall
Term
Reverse Fault
Definition
A fault in which the hanging wall has moved upward relative to the footwall
Term
Strike-Slip Fault
Definition
Rocks on either side oif the fault move past each other without muchupward or downward movement
Term
Shear
Definition
Shear is the force that causes rocks on either side of a fault to slide past each other
Term
Compression
Definition
Compression is the force that squeezes rocks together
Term
Tension
Definition
Tension is the force that pulls rocks apart
Term
Fault
Definition
A surface on which rocks break
Term
Earthquake
Definition
Earthquakes are vibrations produced by the breaking of rocks
Term
Magnitude
Definition
the scale of 1-10 with witch earthquakes are measured on
Term
Liquefaction
Definition
The process of which sediment that is very wet starts to behave like a liquid
Term
Epicenter
Definition
The point on the earth's surface directly above the earthquake focus
Term
Siesmograph
Definition
A device that is used to seismic waves from earthquakes
Term
Focus
Definition
The point where the energy release first occurs
Term
Seismic Wave
Definition
Waves that travel through the earth that are generated by an earthquake
Term
Tsunami
Definition
Ocean waves caused by earthquakes
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