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Table 1 Location and recording period of each OBS. We measured the locations of LS1 and S03 when they were collected, and the locations of other stations when they were set up

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

Station name

Location of OBSs

Record period

Longitude (°E)

Latitude (°N)

Depth from sea surface (m)

LS1 (Additional file 1, Additional file 2)

142.46059

38.68408

1112

November 5, 2010–April 13, 2011

LS2 (Additional file 3, Additional file 4)

142.49997

38.91679

1194

November 5, 2010–October 6, 2011

LS3 (Additional file 5, Additional file 6)

142.83307

38.76621

1403

November 5, 2010–October 6, 2011

LS4 (Additional file 7, Additional file 8)

142.69956

38.29971

1409

November 5, 2010–October 6, 2011

S01 (Additional file 9, Additional file 10)

142.11688

38.35023

524

November 5, 2010–May 21, 2011

S02 (Additional file 11, Additional file 12)

142.08274

37.98356

538

November 5, 2010–May 21, 2011

S03 (Additional file 13, Additional file 14)

142.39969

38.18343

1052

November 5, 2010–April 13, 2011

S04 (Additional file 15, Additional file 16)

142.50041

38.50208

1100

October 1, 2010–July 12, 2011

S09 (Figure 2, Figure 3)

143.13214

38.19742

2041

October 1, 2010–July 12, 2011

S10 (Figure 4, Additional file 17)

143.03415

38.49841

1981

July 1, 2010–March 18, 2011

S14 (Additional file 18, Additional file 19)

142.7457

38.51379

1459

July 1, 2010–May 22, 2011

S15 (Additional file 20, Additional file 21)

142.9276

38.31377

1454

July 1, 2010–May 22, 2011

S18 (Additional file 22, Additional file 23)

143.29608

38.31918

2770

July 1, 2010–March 18, 2011

S21 (Figure 3, Additional file 24)

142.00192

38.4319

358

November 5, 2010–May 21, 2011

S22 (Additional file 25, Additional file 26)

141.98375

38.22922

299

November 5, 2010–May 21, 2011

S27 (Additional file 27, Additional file 28)

142.15009

38.60032

545

November 5, 2010–May 21, 2011

TJT2 (Additional file 29, Additional file 30)

143.65558

38.21309

4147

November 19, 2010–May 23, 2011