4 Terms
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Earthquake
Of or pertaining to the natural phenomenon when tectonic plates slide or move causing the Earth's surface also move which causes devastating damage to cities and towns.
Industry: Natural environment
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Earthquake
Stick-slip
Natural environment; Earthquake
Jerky frictional fault slip in which the opposing blocks of rock, held by friction, episodically and suddenly slide.
Strain (elastic)
Natural environment; Earthquake
The percentage change in the length, shape, or volume of a body subjected to deformation.
Stress (elastic)
Natural environment; Earthquake
Force per unit area acting on a surface within a body.
Stress drop
Natural environment; Earthquake
The difference between the stress across a fault before and after an earthquake.
Strike
Natural environment; Earthquake
The bearing relative to north of a line defined by the intersection of a planar geologic feature, such as a fault, and a horizontal surface.
Strong motion (ground)
Natural environment; Earthquake
Ground motion of sufficient amplitude to be of interest in evaluating the damage caused by earthquakes or nuclear explosions.
Structural features
Natural environment; Earthquake
Features in rocks produced by movement after the rocks were formed.
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