Retrograde in History · 2021

2021 Fukushima earthquake

On February 13, 2021, Mercury was mid-loop — retrograde in Aquarius, tracing backward through 14°32′ of the sign.

WhenFebruary 13, 2021♒︎Aquarius 14°32′Rx windowJan 30 – Feb 21, 2021
Mercury retrograde♒︎AquariusWikipedia
The record

earthquake in Japan

More from this window · Jan 30 – Feb 21, 2021

Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.