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Fig. 1 | Earth, Planets and Space

Fig. 1

From: Triangulation scale error caused by the 1894 Shonai earthquake: a possible cause of erroneous interpretation of seismic potential along the Japan Trench

Fig. 1

Geodetic data in the Tohoku area. a GPS velocity during 1996–2000. Reference point is Oogata (950241) along the Japan Sea coast of the southwestern end of the plot. Green lines show the active fault traces. Gray velocity arrows are removed for the strain rate calculation because of local disturbances. b Strain rate distribution calculated from GPS velocity using the method of Shen et al. (1996). c Strain distribution from repeated triangulation (1883/1901—1977/94)

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