Active fault

Active fault

A fault along which slip has occurred in recent geological time, or where earthquake foci are located.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Seismology
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Related terms

active fault

Energy; Hydro dam; Dam safety

A fault which, because of its present tectonic setting, can undergo movement from time to time in the immediate geologic future.

active fault

Natural environment; Earthquake

A fault along which displacement has occurred in recent geologic time or along which earthquake foci are located. Active faults are assumed to be capable of producing earthquakes.

active fault

Construction; Seismic safety

A fault for which there is an average historic slip rate of 1 mm per year or more and geologic evidence of seismic activity within Holocene times (past 11,000 years).

active fault

Earth science; Geology

A fault along which slip has occurred in historical (or Holocene) time or earthquake foci are located.

active fault

Engineering; Civil engineering

A fault which, because of its present tectonic setting, can undergo movement from time to time in the immediate geologic future. A fault, which has moved during the recent ...

active fault

Earth science; Seismology

A fault along which slip has occurred in recent geological time, or where earthquake foci are located.

seismic survey

Earth science; Seismology

A technique for determining the detailed structure of the rocks underlying a particular area by passing acoustic shock waves into the strata and detecting and measuring the ...

shot

Earth science; Seismology

A small explosion used to produce shock waves during a seismic survey.

jug hustler

Earth science; Seismology

A member of a seismic crew who operates the geophones.

seismic exploration

Earth science; Seismology

An exploration technique involving the use of seismic methods.

seismic observer

Earth science; Seismology

A seismic observer operates geophysical recording instruments used in seismic surveys and performs routine maintenance to ensure optimum data quality.

scarp

Earth science; Seismology

A roughly linear, cliff-like slope or face that breaks the continuity of a surface into distinct levels. Scarps are often produced by faulting, especially that which involves a ...