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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Why do aftershocks occur? Relationship between mainshock rupture and aftershock sequence based on highly resolved hypocenter and focal mechanism distributions

Fig. 2

Hypocenter distribution of the aftershocks determined by the DD method. The depth of the hypocenter is indicated by the color scale. a Epicentral distribution, b depth distribution projected onto line A–B in (a), and (c) magnified image of the northern part of the aftershock region. Earthquakes within a distance of 6 km from the line are projected in (b). The orange contours projected on line A–B in (b) indicate areas of large slip exceeding a dislocation of 2.0 m as estimated by Iwata and Sekiguchi (2002). The northern part of the aftershock region is indicated by the area enclosed by the broken line in (a)

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