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Earth, Planets and Space

Table 5 Parameters of records and tS corrections

From: Characterized source model of the M7.3 2016 Kumamoto earthquake by the 3D reciprocity GFs inversion with special reference to the velocity pulse at KMMH16

N

Site

Date

Time (JST)

Lat/Long/H [km]

Mj

tSobs [s]

t Sray_jma ,

[s]

Hcorr

[km]

t Sfdm

[s]

∆tS

t Sfdm -t Sobs

[s]

1

KMM005

4/16

8:8:50.62

32.855/130.851/11.1

3.9

2.69

3.49

 

3.72

 

2

KMM005

4/16

17:17:49.39

32.856/130.861/10.7

3.5

2.73

3.32

 

3.51

 

3

KMM005

4/17

0:3:33.48

32.861/130.851/14.1

3.4

4.20

4.26

− 0.2

4.51

− 0.32

4

KMM005

4/18

8:35:43.02

32.870/130.873/10.2

4.2

2.99

3.09

− 0.3

3.32

− 0.34

5

KMM005

4/16

22:53: 1.41

32.869/130.839/13.5

3.4

4.02

4.15

− 0.4

4.44

− 0.41

6

KMM005

4/17

0:45:48.51

32.875/130.887/11.0

3.1

3.17

3.32

− 0.5

3.55

− 0.38

7

KMM005

4/20

17:40: 8.49

32.863/130.841/12.5

3.0

3.89

3.89

− 0

4.16

− 0.27

8

KMM006

4/16

5:43:22.89

32.775/130.776/11.0

3.4

3.33

3.36

− 0.1

3.78

− 0.45

9

KMM006

4/16

10:26:10.42

32.803/130.847/11.2

3.8

2.94

3.90

 

4.36

 

10

KMM006

4/19

12:52:14.02

32.776/130.779/10.8

4.0

3.27

3.30

− 0.1

3.73

− 0.46

11

KMM006

4/21

21:52: 3.39

32.785/130.832/11.0

4.0

3.80

3.66

 + 0.5

4.13

− 0.33

12

KMM006

4/16

3:27:30.74

32.802/130.819/11.8

3.2

2.99

3.73

 

4.14

 

13

KMMH14

4/16

2:4:11.03

32.746/130.737/12.3

4.9

5.34 (5.44)

5.18

 + 0.5

5.56

− 0.22

14

KMMH14

4/16

16:2: 1.03

32.699/130.720/12.3

5.4

4.18 (4.19)

4.30

− 0.4

4.70

− 0.52

15

KMMH14

4/16

16:57: 6.92

32.695/130.723/11.3

3.2

4.01 (3.99)

3.99

 + 0.1

4.18

− 0.17

16

KMMH14

4/22

7:47:42.02

32.701/130.727/11.1

3.8

4.04 (4.02)

4.03

 + 0

4.26

− 0.22

17

KMMH14

4/16

22:25: 0.24

32.700/130.717/12.8

3.2

4.49 (4.49)

4.45

 + 0.1

4.67

− 0.17

18

KMMH14

4/17

16:8:51.09

32.707/130.728/10.3

3.6

4.03

3.97

 + 0.2

4.13

− 0.10

19

KMMH14

4/20

19:0:10.63

32.753/130.751/10.3

3.9

5.29 (5.14)

5.00

 

5.23

 

20

KMMH14

4/24

18:50:15.97

32.695/130.719/11.5

3.6

4.03

4.06

− 0.1

4.26

− 0.22

21

KMMH16

4/16

4:5:49.20

32.797/130.813/12.3

4.0

2.50

3.59

 

4.00

–

22

KMMH16

4/16

10:26:10.42

32.803/130.847/11.2

3.8

2.01

3.37

 

3.73

 

23

KMMH16

4/19

12:52:14.02

32.776/130.779/10.8

4.0

3.33(3.42)

3.43

− 0.3

3.82

− 0.49

24

KMMH16

4/21

21:52: 3.39

32.785/130.832/11.0

4.0

3.27(3.27)

3.26

 + 0

3.66

− 0.39

25

KMMH16

4/16

3:46:37.88

32.806/130.828/10.1

2.5

1.92

2.99

 

3.34

 

26

KMMH16

4/16

5:43:22.89

32.775/130.776/11.0

3.4

3.50

3.52

− 0.1

3.92

− 0.42

  1. tSobs hypocentral S-wave arrival time from observed records; in brackets are S-wave arrival time from the JMA arrival time list when available. Notice a good fit between tS from JMA list and picks from records in this study. tSray_jma arrival time calculated by ray tracing and JMA velocity model. It is assumed that disagreement between tSobs and tSray_jma values is due to inaccuracy of the hypocenter depth estimation. Hcorr proposed depth correction. tSfdm S-wave arrival time from synthetic waveforms calculated with the JIVSM model. ∆tS S-wave site correction. For estimation of the average site corrections, we excluded records having large Hcorr > 0.5 km (struck-out values).
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