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Natural environment

Related to any physical feature of the earth's natural environment.

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Natural environment > Earthquake

thrust fault

Natural environment; Earthquake

When a reverse fault has an angle of 45º or less.

travel-time or time-distance curve

Natural environment; Earthquake

A graph of time versus distance for the arrival of seismic waves at a series of stations.

tremors

Natural environment; Earthquake

The shaking caused by earthquakes.

tsunami

Natural environment; Earthquake

A Japanese term for large ocean wave caused by movement in the sea floor related to an earthquake or volcanic eruption. A tsunami is capable of considerable destruction in coastal ...

velocity (seismic)

Natural environment; Earthquake

The time rate of displacement of a reference point in an earthquake or the speed with which a particular seismic wave propagates in a rock.

velocity structure

Natural environment; Earthquake

A generalized model of the crust consisting of units of different seismic velocity.

vibration

Natural environment; Earthquake

A continuous shaking movement of the ground.

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