Fig. 1From: Effects of subsurface structures of source regions on long-period ground motions observed in the Tokyo Bay area, JapanEpicenters of the events used in this study. The area in the red square is enlarged in Fig. 2. Dashed lines show the prefectural borders in Japan. The event source mechanisms are the moment tensor solutions from F-net (Okada et al. 2004)Back to article page