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amplitude

1. n. [Geophysics]

The difference between the maximum displacement of a wave and the point of no displacement, or the null point. The common symbol for amplitude is a.

See related terms: amplitude anomaly,  attenuation,  attribute,  bright spot,  dilatation,  dim spot,  filter,  footprint,  gain,  peak,  polarity,  rarefaction,  reflection coefficient,  spectral,  spectrum,  suppression,  time slice,  trough,  true-amplitude recovery,  waveform,  wavelet,  wiggle trace

Diagram of a wavelet.
Diagram of a wavelet.

2. n. [Geophysics]

The amount of displacement of a seismic wavelet measured from peak to trough.

Diagram of a wavelet.
Diagram of a wavelet.