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Natural environment

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

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Natural environment > Earthquake

hypocenter

Natural environment; Earthquake

The point within the earth where earthquake rupture begins; the focus of an earthquake.

duration (earthquake)

Natural environment; Earthquake

The length of time the ground motion at a site shows certain characteristics in an earthquake.

inferno

Natural environment; Earthquake

A huge, roaring fire.

earthquake

Natural environment; Earthquake

A trembling and shaking of the earth’s surface; a vibration or trembling of the ground caused by movement of the subsurface.

intensity (earthquake)

Natural environment; Earthquake

A subjective numerical index describing the severity of ground shaking in an earthquake in terms of the effect on objects and humans. A version of the Modified Mercalli intensity ...

earthquake hazard

Natural environment; Earthquake

Any physical phenomenon associated with an earthquake that may produce adverse effects on human activities.

interplate earthquake

Natural environment; Earthquake

An earthquake that occurs on the boundary between two tectonic plates.

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