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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Hypocenter distribution and heterogeneous seismic velocity structure in and around the focal area of the 2008 Iwate-Miyagi Nairiku Earthquake, NE Japan—Possible seismological evidence for a fluid driven compressional inversion earthquake

Fig. 7

Hypocenter distribution of the 2000 M 4.9 and 1999 M 4.3 earthquakes. The events in 2000 and 1999 are shown in blue and red, respectively. Mainshocks are shown by diamonds. The aftershocks, foreshocks and mainshock in 2008 are shown in gray circles, green small stars and green large star, respectively. Open red squares denote the locations of the surface deformations. (a) The across-fault cross section in a width of 5 km. (b) Epicenter map. Location of the cross section is shown by line. Focal mechanisms (NIED moment tensor solutions) of the 2000 M 4.9, 1999 M 4.3 and 2008 M 7.2 earthquakes are also shown. Black open squares denote the stations.

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