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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Blind study site assessment of shear-wave velocity at Kumamoto City, Japan, using direct-fitting SPAC methods

Fig. 5

a SPAC spectra for Preferred model compared with BP1 model, for station separation 10 m. Black: observed SPAC; Green: Preferred model effective mode; Blue: BP1 model effective mode. Standard deviation of fit computed over frequencies 2–38 Hz shows: Std dev for Preferred model is poor; 0.28, Std dev for BP1 model is fair; 0.13 b SPAC spectra for Preferred model compared with BP1 model, for station separation 277 m. Colors as for (a) Standard deviation of fit computed over frequencies 0.5–2.5 Hz shows: Std dev for Preferred model is poor; 0.17, Std dev for BP1 model is good; 0.06

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