Year i AD

Date t e (i,loc .min .) of the strongest earthquake

Magnitude M up (i,loc .min .) of the strongest earthquake

Region of the strongest earthquake

Δ ( i ) = | t e (i,loc .min .) t c,r ,i) | , in days

2020 AD

July 22, 2020

7.8

99 km SSE of Perryville, Alaska

3.11 days after the date

t c,r ,2020) = 2020 .55AD

2021 AD

July 29, 2021

8.2

99 km SE of Perryville,

Alaska

27.41 days before the date

t c,r ,2021) = 2021 .65AD

2022 AD

September 10, 2022

7.6

70 km E of Kainantu, Papua New Guinea

8.76 days before the date

t c,r ,2022) = 2022 .716666666AD

2022 AD

September 19, 2022

7.6

35 km SSW of Aguililla, Mexico

0.23 days after the date

t c,r ,2022) = 2022 .716666666AD