Progress in Earth and Planetary Science

Table 2 Periods used for calculation of variations in cross-correlation coefficients

From: Spatio-temporal changes in the seismic velocity induced by the 2011 Tohoku-Oki earthquake and slow slip event revealed from seismic interferometry, using ocean bottom seismometer’s records

	Period
I	November 26, 2010–December 14, 2010
II	January 9, 2011–January 23, 2011
III (sequence 1)	January 24, 2011–January 29, 2011
IV	February 6, 2011–February 15, 2011
V (sequence 2)	February 16, 2011–February 20, 2011
VI	February 22, 2011–March 3, 2011
VII (sequence 3)	March 5, 2011–March 9, 2011

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