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26 Cards in this Set
- Front
- Back
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Deformation |
Bending,tilting,and breaking of Earths crust |
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Isostasy |
2 forces are balanced |
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Stress |
The amount of force per unit area that acts on a rock |
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Strain |
Any change in rocks shape or volume created by stress |
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Fold |
Strain in which rock layers bend usually as a result of compression |
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Fault |
A break in a body of rock along which one blocks sliders relative to each other |
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Mountain range |
A series of mountains that are closely related |
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Folded mountain |
A mountain that forms when rock layers are squeezed together |
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Fault block mountain |
A mountain that forms when faulting breaks earths crust into large rocks |
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Dome mountain |
A cylinder or elliptical evaluation or structure |
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Earthquake |
Movements of the ground that are caused by a sudden release of energy |
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Elastic rebound |
The sudden return of elasticity deformed rock to its informed slope |
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Focus |
The location within earth along a fault which the first motion of an earthquake occurs |
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Epicenter |
The point of Earths surface directly about the focus |
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Body wave |
Waves that travel through the body of a medium |
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Surface wave |
Travels along the surface of a body rather than through the middle |
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P Wave |
Fastest seismic waves and are usually the first waves to be detected |
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S Wave |
Second fastest waves and are detected after P Waves |
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Shadow zone |
Location on earths surface where no earthquake can be detected |
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Fault zone |
Numerous closely spaced fault |
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Siesmograph |
To detect vibrations in the ground |
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Magnitude |
Strength of an earthquake |
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Intercity |
The amount of damage could buy an earthquake |
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Siesmogram |
Tracing of an earthquake motion recorded by a siesmograph |
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Tsunami |
A giant ocean wave formed by different land deformities |
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Seismic gap |
An area along a fault where few earthquake are formed |
