Year i AD

Date ${\text{t}}_{\text{e}}\text{(i},\text{loc}\text{.max}\text{.)}$ of the strongest earthquake

Magnitude ${\text{M}}_{\text{up}}\text{(i},\text{loc}\text{.max}\text{.)}$ of the strongest earthquake

Region of the strongest earthquake

The realized necessary condition 1.1 or 1.2

${\Delta }^{\ast }(\text{i})=\left|{\text{t}}_{\text{e}}\text{(i},\text{loc}\text{.max}\text{.)}-{\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{i)}\right|$ , in days

1908 AD

August 20, 1908 AD = 1908.63791923 AD

6.9

western Xizang, China

-

19.93 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},1\text{908)}=1908.583333333\text{AD}$

1920 AD

June 5, 1920 AD

= 1920.42984257 AD

8.2

Taiwan region, China

-

74.32 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1920)}=1920.\text{633333333}\text{AD}$

1927 AD

May 22, 1927 AD

= 1927.38877481 AD

7.7

Gansu-Qinghai border region, China

-

93.3 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1927)}=1927.\text{133333333}\text{AD}$

1931 AD

August 10, 1931 AD

= 1931.6078028 AD

7.9

northern Xinjiang, China

-

27.2 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1931)}=1931.\text{533333333}\text{AD}$

1934 AD

December 15, 1934 AD

= 1934.95550992 AD

7.2

western Xizang, China

1.2 partly

38.53 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},1\text{934)}=1934.\text{85}\text{AD}$

1937 AD

January 7, 1937 AD

= 1937.01916495 AD

7.8

southern Qinghai, China

-

5.17 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1937)}=1937.\text{033333333}\text{AD}$

1976 AD

July 27, 1976 AD

= 1976.57221081 AD

7.5

Tianjin-Hebei border region, China

-

81.16 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1976)}=1976.\text{35}\text{AD}$

2024 AD

April 2, 2024 AD

= 2024.25462012 AD

7.4

18 km SSW of Hualien City, Taiwan region, China

1.1 partly

34.83 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{2024)}=2024.\text{35}\text{AD}$