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

Fig. 3

From: Characteristics of postseismic deformation following the 2003 Tokachi-oki earthquake and estimation of the viscoelastic structure in Hokkaido, northern Japan

Fig. 3

a Estimated afterslip for the first 3 months: The color indicates slip magnitude, and the arrow indicates the slip vector of each subfaults. The model region is indicated with the rectangle. The coseismic slip distribution (Yamanaka and Kikuchi 2003) is also plotted with the solid contour with an interval of 1 m. The dotted line indicates the depth of plate interface with an interval is 20 km. The green solid circles indicate epicenters of aftershocks (\(M_{\text{JMA}} \ge 4.0\)) for the first 3 months determined by the Japan Meteorological Agency. b The vector indicates the observed (black) and the calculated (red) horizontal displacement. c The colored circles and the contour with color scale indicate the observed and the calculated vertical displacement, respectively. The contour interval is 2 mm. Calculated displacement in b and c was used for u(x)

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