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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

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. 1

Location map. Triangles denote the OBS sites, namely KNG201 (farthest off-shore site), KNG202, KNG203, KNG204, KNG205, and KNG206 (nearest off-shore site) in the Sagami Bay area from east to west, respectively. Circles, which are scaled by magnitude, denote the epicenters of the earthquakes used in this study. The filled colors of the circles denote the focal depths of the earthquakes. The depths to ocean bottoms from the KNG201 to the KNG206 sites are 2197, 2339, 902, 933, 1486, and 1130 m, respectively. The background color denotes the elevation of the land and ocean bottoms, and the deepest elevation is the darkest color

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