English - Turkish
Definition of forearc in English Turkish dictionary
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English - English
Definition of forearc in English English dictionary
- A region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain
- The region between the subduction zone and the volcanic chain (volcanic arc)
- The region between the trace of the subduction thrust fault and the volcanic chain (volcanic arc) Foreshocks, mainshock, aftershocks Foreshocks are relatively smaller earthquakes that precede the biggest earthquake in a series, which is termed the mainshock Aftershocks are relatively smaller earthquakes that follow the mainshock Fourier amplitude spectrum The relative amplitude at different component frequencies that are derived from a time history by Fourier analysis