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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Assessment of nonlinear site response at ocean bottom seismograph sites based on S-wave horizontal-to-vertical spectral ratios: a study at the Sagami Bay area K-NET sites in Japan

Fig. 3

Comparison of weak-motion (PGA < 20 cm/s2) mean spectral ratios with strong-motion spectral ratios from four individual events recorded with PGA > 100 cm/s2 at the a KNG201 and b KNG203 sites. The black lines denote the weak-motion mean spectral ratios. The gray lines denote the range of one standard deviation. The red lines denote the strong-motion spectral ratios for individual events. The magnitude, focal depth, epicentral distance, PGA, and DNL for each strong-motion event are provided inside each frame

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