Number i

Date ${\text{t}}_{\text{i}}$ of the more strongest earthquake of the Earth

Region of the more strongest earthquake of the Earth

Real magnitude ${\text{M}}_{\text{i}}$

Calculated magnitude ${\text{M}}_{\text{i}}\text{(th)}$

$\Delta {\text{M}}_{\text{i}}$

${\text{x}}_{\text{i}}$ , in days

${\text{y}}_{\text{i}}$ , in days

${\text{z}}_{\text{i}}$ , in days

${\text{w}}_{\text{i}}$

Date ${\text{t}}_{\text{i}}\text{(M)}$

1

March 28, 1964

Southern Alaska

9.2

9.2 - 10⁻¹⁵

−10⁻¹⁵

−15.48

26.48

15.48

331.6562

March 28, 1964

2

March 11, 2011

near the east coast of Honshu, Japan

9.0

9.0

0.0

−27.39

21.39

19.39

−254.1981

March 19, 2011

March 16, 2023

Kermadec Islands region

7.0

6.45

−0.55

− 22.39

21.39

31.39

550.5151

March 7, 2023