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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Effects of subsurface structures of source regions on long-period ground motions observed in the Tokyo Bay area, Japan

Fig. 2

Locations of the strong motion observation stations used in this study. Green squares indicate the Tokyo Electric Power Company Holdings stations. Circles indicate K-NET and KiK-net stations (Okada et al. 2004). Red circles show the stations located in the basin area, and blue circles show the stations located outside the basin. Characters next to each mark indicate the station code. Dashed purple lines show the prefectural borders in Japan. Gray contour lines indicate the depth of seismic bedrock from the “Japan Integrated Velocity Model version 1” (Koketsu et al. 2012). Event source mechanisms are the moment tensor solutions from F-net (Okada et al. 2004)

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