Fig. 9

Distribution of the variance reduction (V.R.) in the strike-rake (ϕS–λ) and strike-dip (ϕS–δ) planes. Variance reductions were evaluated by using observed and synthetic F-net displacement waveforms for periods of 30–100 s. Synthetic waveforms were calculated for various focal mechanisms with a fixed centroid depth and seismic moment. White stars indicate the best-fit double-couple model of our MT results for the 2016 SE offshore Mie earthquake