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Table 1. Free-fall/pop-up and cabled OBSs used in this study.

From: Seismicity near the hypocenter of the 2011 off the Pacific coast of Tohoku earthquake deduced by using ocean bottom seismographic data

Station

Observation period

Lat. (°N)

Lon. (°E)

Dep. (km)

T ps (s)

S01

2010/11/05~2011/05/22

38.3502

142.1169

0.524

1.4

S02

2010/11/05~2011/05/22

37.9836

142.0827

0.538

1.9

S03

2010/11/05~2011/04/14

38.1834

142.3997

1.052

2.4

S08

2010/05/15~2011/02/01

38.1336

142.7485

1.532

2.3

S10

2010/10/01~2011/03/19

38.4984

143.0341

1.981

2.4

S14

2010/07/01~2011/05/23

38.5138

142.7457

1.459

1.7

S15

2010/07/01~2011/05/23

38.3138

142.9276

1.454

2.7

S18

2010/07/01~2011/03/19

38.3191

143.2960

2.770

2.0

S21

2010/11/05~2011/05/22

38.4319

142.0019

0.358

1.1

S22

2010/11/05~2011/05/22

38.2292

141.9838

0.299

1.0

S27

2010/11/05~2011/05/22

38.6003

142.1501

0.545

2.0

LS1

2010/11/05~2011/04/14

38.6840

142.4606

1.112

2.1

NS08a

2011/03/15~2011/04/19

38.1354

142.7482

1.498

2.3

NS10a

2011/03/15~2011/04/19

38.5016

143.0495

2.017

2.4

NS18a

2011/03/15~2011/04/19

38.3181

143.2984

2.746

2.0

OB1

 

39.1667

143.239

2.480

2.6

OB2

 

39.2029

142.984

1.840

2.9

OB3

 

39.2451

142.498

1.057

2.1