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Earth, Planets and Space
Fig. 4. | Earth, Planets and Space

Fig. 4.

From: Seismic activity around the northern neighbor of the 2011 off the Pacific coast of Tohoku Earthquake with emphasis on a potentially large aftershock in the area

Fig. 4.

(a) Epicenter distribution of combined data for a 21-day period from the mainshock. The immediate one-day aftershocks are indicated by squares. The black and blue contour lines are the coseismic and postseismic slip distributions as of May 12, 2011 (Geospatial Information Authority of Japan, 2011). Unit is in m. The purple polygon and lines are the same as in Fig. 1. (b) One-month aftershock distribution of the 1994 Sanriku-haruka-oki earthquake from the JMA catalog. The purple lines delineate the location of asperities of the earthquakes in 1989, 1994, and 2003. The broken lines show the areas of postseismic slips (Heki et al., 1997; Kawasaki et al., 1998, 2001).

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