Fig. 8From: Spatio-temporal clustering of successive earthquakes as inferred from analyses of global CMT and NIED F-net catalogsRelation between triggering distances and lapsed times for global CMT (a, b) and NIED F-net catalogs (c, d). Panels (a, c) show double logarithmic scales, and b, d show semi-logarithmic scales. Colored dots represent the estimated triggering distances with error bars. Gray lines are the regression lines. \(\tau\) is the characteristic time of exponential decayBack to article page