A number of things strike me as I watch what follows (plucked from VerumSerum).
It speaks volumes of Japanese engineering that the apartment complex did not collapse at the height of all that rocking to and fro but more incredible to me is what is seen less than two minutes into the earthquake.
Whomever is filming pans towards what appears to be a television (though it may have been a computer) which is showing, while the rocking continues, where the earthquake was centered. Freakin’ amazing.
Watch and wonder how you might’ve fared. I think I may very well have peed muh pants: