Fig. 2From: Statistical study on the regional characteristics of seismic activity in and around Japan: frequency-magnitude distribution and tidal correlationRelationship between the \(D\)-value normalized by \(N\) and \(\mathrm{min}{T}_{N/4}\). a Estimation results for area A; b estimation results for area B. The vertical dashed line indicates 21,600 s (6 h)Back to article page