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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.
Industry:Natural environment
A measure of the relative frequency of the occurrence of earthquakes of different sizes.
Industry:Natural environment
A seismic wave that involves particle motion in the direction of propagation.
Industry:Natural environment
A seismic surface wave involving elliptical motion in a vertical plane oriented in the direction of propagation of the wave.
Industry:Natural environment
A scale ranging from 1 to 10 used to show the size of an earthquake.
Industry:Natural environment
The area around the pacific basin where a lot of seismic activity occurs, including the western coast of north and south america and east asian islands like japan.
Industry:Natural environment
A seismic body wave involving shear motion transverse to the direction of propagation of the wave.
Industry:Natural environment
Il record da un accelerograph mostrando l'accelerazione del suolo in funzione del tempo.
Industry:Natural environment
Uno strumento compatto e robusto che registra il segnale da un accelerometro.
Industry:Natural environment
El número de ciclos que se producen en una unidad de tiempo.
Industry:Natural environment
