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The Wandering Poles of the Earth
1861-2001

 

Drift Statistics For Each Wobble Spiral of 6.5 Years

by Michael Wells Mandeville

 

(overlap)

period

cum since first drift

drift

Chart

Wobble Spiral

spans

begin

end

years

net motion

ave as/yr

in centimeters

in inches

total yrs

total drift

ave as/yr

cents/yr

inches/yr

502

1861

to

1890

30

0

no drift is apparent

1890

to

1898

9

0

no drift is apparent

1898

to

1903

6

0

no drift is apparent

502

1903

to

1909

7

0

no drift is apparent

503

1909

to

1916

8

1861

1916

56

0

0

56

0

0

no drift is apparent

504

1916

to

1923

8

slight drift apparent but incalcuable

505

1923

to

1931

9

1916

1931

15

0.07

0.0047

14.406

5.671

15

0.0047

0.000311

14.406

5.671

506

1931

to

1939

9

507

1939

to

1945

7

1931

1945

14

0.075

0.0054

16.538

6.510

29

0.1450

0.005

15.435

6.076

1945

to

1952

8

508

1952

to

1958

7

1945

1958

13

0.04

0.0031

9.498

3.739

42

0.1850

0.004405

13.598

5.353

509

1958

to

1964

7

1958

1964

6

0.085

0.0142

43.733

17.216

48

0.2700

0.005625

17.364

6.836

510

1964

to

1971

8

1964

1971

7

0.025

0.0036

11.025

4.340

55

0.2950

0.005364

16.558

6.518

511

1971

to

1977

7

1971

1977

6

0.045

0.0075

23.153

9.114

61

0.3400

0.005574

17.206

6.773

511

1977

to

1983

7

1977

1983

6

0.02

0.0033

10.290

4.051

67

0.3600

0.005373

16.587

6.530

512

1983

to

1990

8

1983

1990

512

1990

to

1996

7

1990

1996

13

0.025

0.0019

5.937

2.337

80

0.3850

0.004813

14.856

5.848

speculaton

1996

to

2001

6

1996

2001

5

0.02

0.0040

12.348

4.861

85

0.3350

0.003941

12.166

4.789

this last line 96 to 2001 is highly speculative and should not used in any averaging.