37 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
spectral amplification
Earth science; Seismology
A measure of the relative shaking response of different geologic materials. The ratio of the Fourier amplitude spectrum of a seismogram recorded on one material to that computed from a seismogram ...
instrument response
Earth science; Seismology
A set of parameters built into the physics of the recording instrument. These are well known and can be removed from a seismogram by deconvolution of the transfer function and the seismic signal to ...
earthquake swarm
Earth science; Seismology
A series of minor earthquakes, none of which may be identified as the main shock, occurring in a limited area and time.
subduction zone
Earth science; Seismology
A dipping ocean plate into the Earth away from an ocean trench. It is usually the locus intermediate and earthquakes defining the Wadati-Benioff zone (e.g. Aleutian, Chile, Izu-Bonin).
sag
Earth science; Seismology
A narrow geological depression found in strike-slip fault zones. Those that contain water are called sag ponds.
fault-propagation fold
Earth science; Seismology
A fold formed in front of a fault surface as the fault surface lengthens over a period of geologic time. Commonly associated with the upward termination of a thrust fault.
multipathing
Earth science; Seismology
A phenomena where the geologic structure and/or velocity gradient "bend" the rays from the predicted path causing later arrival times.
