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Natural environment
Related to any physical feature of the earth's natural environment.
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Natural environment > Earthquake 
love wave
Natural environment; Earthquake
A type of seismic surface having only horizontal motion transverse to the direction of propagation.
fault scarp
Natural environment; Earthquake
Steplike linear landform caused by the geologically recent offset of the land surface by a fault.
magnetic anomaly
Natural environment; Earthquake
A feature in the magnetic field produced by the distribution of magnetized material in the earth.
fault segment
Natural environment; Earthquake
A discrete section of a fault, separated by recognizable boundaries that tends to rupture independently.
magnitude
Natural environment; Earthquake
The size of an earthquake as measured on the richter scale.
fault trace
Natural environment; Earthquake
The intersection of a fault with the land surface. Commonly plotted on geologic maps to represent the location of the fault.
magnitude (earthquake)
Natural environment; Earthquake
A number that characterizes the size of an earthquake by measuring the motions recorded by a seismograph and correcting for the distance to the epicenter of the earthquake.
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)