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

Fig. 2.

From: Co-seismic surface deformation of the 2011 off the Pacific coast of Tohoku Earthquake: Spatio-temporal EOF analysis of GPS data

Fig. 2.

The leading EOF mode of the 3-D surface deformation (east-, north- and up-component) solved using the 30-min GEONET GPS data for the period March 1–15, showing the synoptic behavior of the spatial pattern and the corresponding time series with the percentage variance. The violet lines in the time series indicate the origin times of foreshocks, the M 9.0 mainshock, and the major aftershocks during the period.

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