Shallow Fault Structure Seismograms of the y-component of velocity of a receiver line crossing the fault. Above the seismograms the distribution of maximum amplitude of S- and FZ-waves for each trace is shown. The solid line (FZ) corresponds to the FZ-wave, the dotted line (S) to the direct S-wave. The grey rectangle denotes the stations located directly above the fault. One tickmark of the amplitude scale corresponds to the maximum S-wave amplitude of all receivers. The seismograms and amplitudes are drawn to scale. Left: Source location centered beneath the fault Center: Source shifted along the x-axis by 690m Right: Source shifted along the x-axis by 1380m

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