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Fig. 1. | Earth, Planets and Space

Fig. 1.

From: Detailed stress fields in the focal region of the 2011 off the Pacific coast of Tohoku Earthquake—Implication for the distribution of moment release—

Fig. 1.

P-axis distributions projected on the horizontal and vertical sections before, and after, the mainshock in the upper and lower panels, respectively. Green, red, blue and grey bars represent reverse, strike, normal and other types, based on Frohlich (1992), respectively. In the Frohlich (1992) scheme, reverse faults have a T-axis plunge greater than 50 degrees, strike-slip faults a B-axis greater than 60 degrees, normal faults a P-axis greater than 60 degrees. The star represents the hypocenter of the mainshock by the Japan Meteorological Agency (JMA).

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