19 Terms
Home > Industry/Domain > Earth science > Seismology
Seismology
The study of earthquake, seismic sources, and wave propagation through the Earth.
Industry: Earth science
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Seismology
intensity of earthquake
Earth science; Seismology
A measure of ground shaking obtained from the damage done to structures built by humans, changes in the Earth's surface, and felt reports.
dilatancy of rocks
Earth science; Seismology
The increase in the volume of rocks mainly due to pervasive microcracking.
Nyquist frequency
Earth science; Seismology
The highest angular frequency found in the spectra of digital data used to avoid aliasing (see aliasing).
source function
Earth science; Seismology
The ground motion generated at the fault during rupture, usually as predicted by a theoretical model and represented by a time history or spectrum. The terms Brune spectrum, Aki spectrum, and Haskel ...
strain
Earth science; Seismology
The geometrical deformation or change in shape of a body. The change in an angle, length, area, or volume divided by the original value.
quaternary
Earth science; Seismology
The geological period covering about 2 million years ago to the present.
