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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Estimation of source, path, and site factors of S waves recorded at the S-net sites in the Japan Trench area using the spectral inversion technique

Fig. 7

Relationships between the Qs values and frequencies. The values obtained in the present study are denoted by circles. The red dashed and solid lines denote the relationships for the shallower (0–30 km) and deeper (30–60 km) parts of the fore-arc region in the north–east Japan (Nakamura 2009). The green dashed line, green solid line, and cyan-colored line denote the relationships for fore-arc region corresponding to the Japan Trench subduction zone for crustal (C), plate boundary (B), and intraslab (I) earthquakes, Region 2, in Nakano et al. (2015). The black dashed line denotes the relationship reported in Oth et al. (2011) for subcrustal earthquakes, and the blue line denotes the relationship reported in Satoh and Tatsumi (2002) for north–east Japan

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