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Seismology
The study of earthquake, seismic sources, and wave propagation through the Earth.
Industry: Earth science
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Seismology
Group velocity
Earth science; Seismology
Wave disturbances with a wide spectrum of periods interfere with each other producing constructive and destructive patterns. The constructive patters travel along the surface as wave packets with ...
Surface waves
Earth science; Seismology
Waves that move over the surface of the Earth. Rayleigh and Love waves are surface waves.
Preshock
Earth science; Seismology
An earthquake that occurs before the mainshock, but is not an unambiguous foreshock, either because it originated months or years before the mainshock or because it originated far from the epicentre ...
Triggered earthquake
Earth science; Seismology
An earthquake that occurs soon after or during a mainshock, but well out of the region of the aftershocks.
Leaky barrier
Earth science; Seismology
An earthquake segment boundary that is, from time to time, broken across by an earthquake.
Foreshock
Earth science; Seismology
An earthquake that is smaller than, and precedes, a "mainshock". Foreshocks tend to occur in the same area as the mainshock. Foreshocks have not been observed before damaging earthquakes in British ...
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