Seismology

Seismology

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

Industry: Earth science

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Seismology

Graben

Earth science; Seismology

An elongate part of the Earth's crust bounded by faults on its long sides and relatively down-dropped compared to its surroundings.

A mathematical function that represents philtre in a time series of equal value (time or frequency) that goes to zero at a specified amount on each end of the boxcar. In convolution, the amplitude ...

Seismometer or seismograph

Earth science; Seismology

A seismometer is a damped oscillating mass, such as a damped mass-spring system, used to detect seismic-wave energy. The motion of the mass is commonly transformed into an electrical voltage. The ...

Ground roll

Earth science; Seismology

A term used in exploration seismology refer to surface waves generated from explosions. They are characterised by low velocity, low frequency, and high amplitude, and are observed in regions where ...

Seismic moment tensor

Earth science; Seismology

A mathematical representation of a full set of solutions to produce a wide variety of effective source deformations and time histories.

Right-lateral fault

Earth science; Seismology

A strike-slip fault on which the displacement of the far block is to the right when viewed from either side. The Queen Charlotte fault is one of this type of fault.