Earthquake

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

Attenuation

Natural environment; Earthquake

The decrease in seismic signal amplitude caused by spreading of the wave and absorption and scattering of seismic energy by the materials of the earth as a wave propagates from a source.

B value

Natural environment; Earthquake

A measure of the relative frequency of the occurrence of earthquakes of different sizes.

Fault-plane solution

Natural environment; Earthquake

The use of seismic waves radiating from an earthquake and recorded at several stations to determine the attitude of a fault producing an earthquake and the direction of slip.