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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Seismology

teleseismic distance

Earth science; Seismology

A source-receiver distance greater than 1000 km.

seismic reflection or refraction line

Earth science; Seismology

A set of seismographs commonly distributed along the Earth's surface to record seismic waves generated by an explosion for the purpose of recording reflections and refractions of ...

slip model

Earth science; Seismology

A kinematic model that describes the amount, distribution, and timing of slip associated with a real or postulated earthquake.

boxcar

Earth science; Seismology

A mathematical function that represents filter 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 ...

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.

local distance from earthquake

Earth science; Seismology

A source-receiver distance of less than 100 km.

fault-bend fold

Earth science; Seismology

A fold within the hanging wall block of a fault, formed by bending of the hanging block as it slips over a nonplanar fault surface.