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Fig. 3. | Earth, Planets and Space

Fig. 3.

From: ‘Negative repeating doublets’ in an aftershock sequence

Fig. 3.

Filtered three-component waveforms of a ‘negative doublet’, recorded at the WCH station, and the cross-correlation coefficient (cc). The sliding window starts from the P arrival and lasts four times the SP travel time difference. The cc values changing with the sliding time (Delta t, from −2 s to 2 s) are shown in the bottom panel, and reach the maximum absolute value at −0.08 s, almost synchronously for the three components.

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