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hodogram

1. n. []

A graph or curve that displays time versus distance of motion.

2. n. []

A crossplot of two components of particle motion over a time window. Hodograms are used in borehole seismology to determine arrival directions of waves and to detect shear-wave splitting. Data recorded along two geophone axes are displayed as a function of time.

See: borehole seismic dataS-waveshear wave