Fig. 6.From: Seismicity near the hypocenter of the 2011 off the Pacific coast of Tohoku earthquake deduced by using ocean bottom seismographic dataHypocenter distribution in the foreshock area shown in Fig. 1(b). Hypocenters that occurred between −30 and 0 days before the mainshock are plotted by dots colored according to the elapsed time from the mainshock. (a) Map view. (b) Cross-section of the rectangle shown in the map view.Back to article page