Fig. 5From: Characteristics of the foreshock occurrence for Mj3.0 to 7.2 shallow onshore earthquakes in JapanThe time–space distribution of all the earlier smaller earthquakes prior to the 2066 mainshocks. Red bars (within 10 days and 3 km) are defined to be the foreshocks in this study. White bars are the random background seismicityBack to article page