All data

(inner rifts only)

ETopo1

All segments corresponding to spreading centres

ETopo1

All segments corresponding to transform faults

ETopo1

Spreading centres excluding buffer zones

ETopo1

Number of values

30,726

Number of values

19,278

Number of values

11,448

Number of values

12,650

Sum

−103,826,726

Sum

−62,668,546

Sum

−41,158,180

Sum

−41,303,926

Minimum

−9758

Minimum

−9758

Minimum

−7666

Minimum

−6590

Maximum

849

Maximum

755

Maximum

849

Maximum

−445

Range

10,607

Range

10,513

Range

8515

Range

6145

Mean

−3379.116

Mean

−3250.780

Mean

−3595.229

Mean

−3265.132

Median

−3351

Median

−3231

Median

−3534

Median

−3218

D(m-m)

−28.1

D(m-m)

−19.8

D(m-m)

−61.2

D(m-m)

−47.1

First quartile

−4044

First quartile

−3938

First quartile

−4266

First quartile

−3760

Third quartile

−2753

Third quartile

−2677

Third quartile

−2965

Third quartile

−2740

Standard error

5.8815

Standard error

6.9695

Standard error

10.2448

Standard error

6.7341

95% confidence interval

11.5274

95% confidence interval

13.6594

95% confidence interval

20.0781

95% confidence interval

13.1978

99% confidence interval

15.1487

99% confidence interval

17.9501

99% confidence interval

26.3840

99% confidence interval

17.3430

Variance

1,062,886.233

Variance

936,398.946

Variance

1,201,540.319

Variance

573,656.248

Average deviation

792.689

Average deviation

753.516

Average deviation

835.902

Average deviation

599.856

Standard deviation

1030.964

Standard deviation

967.677

Standard deviation

1096.148

Standard deviation

757.401

Coefficient of variation

−0.3051

Coefficient of variation

−0.2977

Coefficient of variation

−0.3049

Coefficient of variation

−0.2320

Skew

0.213

Skew

0.366

Skew

0.188

Skew

−0.173

Kurtosis

1.257

Kurtosis

1.233

Kurtosis

1.219

Kurtosis

0.569

Kolmogorov-Smirnov stat

0.044

Kolmogorov-Smirnov stat

0.052

Kolmogorov-Smirnov stat

0.041

Kolmogorov-Smirnov stat

0.044

Critical K-S stat, alpha = 0.10

0.007

Critical K-S stat, alpha = 0.10

0.009

Critical K-S stat, alpha = 0.10

0.011

Critical K-S stat, alpha = 0.10

0.011

Critical K-S stat, alpha = 0.05

0.008

Critical K-S stat, alpha = 0.05

0.010

Critical K-S stat, alpha = 0.05

0.013

Critical K-S stat, alpha = 0.05

0.012

Critical K-S stat, alpha = 0.01

0.009

Critical K-S stat, alpha = 0.01

0.012

Critical K-S stat, alpha = 0.01

0.015

Critical K-S stat, alpha = 0.01

0.014