Seismology

Seismology

The study of earthquake, seismic sources, and wave propagation through the Earth.

Industry: Earth science

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Seismology

Turbidites

Earth science; Seismology

Sea-bottom deposits formed by massive slope failures where rivers have deposited large deltas. These slopes fail in response to earthquake shaking or excessive sedimentation load. The temporal ...

Sand boil

Earth science; Seismology

Sand and water ejected to the ground surface as a result of liquefaction at shallow depth; the conical sediment deposit that remains as evidence of liquefaction.

Ductile

Earth science; Seismology

Said of a rock that is able to sustain, under a given set of conditions, 5-10% deformation before fracture or faulting.

Asperities

Earth science; Seismology

Roughness on the fault surface posing local resistance to slip.

Geodetic

Earth science; Seismology

Referring to the determination of the size and shape of the Earth and the precise location of points on its surface.

Secular

Earth science; Seismology

Referring to long-term changes that take place slowly and imperceptibly. Commonly used to describe changes in elevation, tilt, and stress or strain rates that are related to long-term tectonic ...

Referring to an age between the present and 500,000 years before the present. Faults of this age are sometimes considered active based on the observation of historical activity on faults of this age ...