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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Temporal change in seismic wave attenuation using highly stable vibration sources

Fig. 4

Reference transfer function in the time domain and selected P and S phases for the 800-m and 1700-m sensors. Transfer functions on 14:00 January 19, 2000, are used as references. The area with the red area shows the P and S phases selected for calculating the change in amplitude and travel time. We selected P waves from the UD component (P-UD) and S waves from two horizontal components (S-H1 and S-H2)

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