Spatiotemporal Relationship between Geodetic and Seismic Quantities: A Possible Clue to Preparatory Processes of M ≥ 6.0 Inland Earthquakes in Japan
Temporal variation in the ratio of no. PTN1 to no. PTN2 (ref. Figure 3). Black arrows and the horizontal axis denote the same parameters as in Figure 4. Also shown are the error bars which were obtained by calculating the ratio between no. PTN1 and no. PTN2 shuffled in Figure 4. Panels (a) to (d) correspond to different four pairs of geodetic and seismic quantities, which are the same as those in Figures 3 and 4.
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