Earthquakes date Xi − Xi−1

KΔX Xi − KΔX

No.

YMD

(year)

(year)

K

(year)

(year)

1

19131221

1913.97

2

19170731

1917.57

3.60

1

2.44

1.16

3

19230324

1923.22

5.65

2

4.88

0.77

4

19250316

1925.20

1.98

1

2.44

−0.46

5

19330825

1933.64

8.44

3

7.32

1.12

6

19360427

1936.32

2.68

1

2.44

0.24

7

19410516

1941.37

5.05

2

4.88

0.17

8

19420201

1942.08

0.71

0

0.00

0.71

9

19480525

1948.40

6.32

3

7.32

−1.00

10

19500203

1950.09

1.69

1

2.44

−0.75

11

19520930

1952.75

2.66

1

2.44

0.22

12

19550414

1955.28

2.53

1

2.44

0.09

13

19601109

1960.85

5.57

2

4.88

0.69

14

19670830

1967.66

6.81

3

7.32

−0.51

15

19700105

1970.01

2.35

1

2.44

−0.09

16

19710428

1971.32

1.31

1

2.44

−1.13

17

19730206

1973.09

1.77

1

2.44

−0.67

18

19740511

1974.35

1.26

1

2.44

−1.18

19

19760823

1976.64

2.29

1

2.44

−0.15

20

19790315

1979.20

2.56

1

2.44

0.12

21

19810124

1981.06

1.86

1

2.44

−0.58

22

19881106

1988.84

7.78

3

7.32

0.46

23

19890425

1989.31

0.47

0

0.00

0.47

24

19950712

1995.52

6.21

3

7.32

−1.11

25

19960203

1996.09

0.57

0

0.00

0.57

26

20080512

2008.36

12.27

5

12.20

0.07

Commensurable value

2.44

Mean

−0.031

Standard deviation (σn−1)

0.717