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Natural environment
Related to any physical feature of the earth's natural environment.
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Natural environment > Earthquake 
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.
subduction
Natural environment; Earthquake
A plate tectonic process of one plate descending into the earth below another.
Sub-categories
- Air (43)
- Atmosphere (59)
- Climate (1147)
- Climate change (10457)
- Coral reefs (23903)
- Deserts (738)
- Earthquake (7143)
- Flood (34)
- Forests (37)
- Grassland (35)
- Land mass (144)
- Landslide (66)
- Mountains (203)
- Plateau (39)
- Speleology (1857)
- Volcano (5852)
- Water (18527)