There are plenty documentaries on tubes about this. Ive watched dozens.

-Worse case says up to 250 miles inland using rivers.
-100' high
-Travel a few hundred miles per hour
-Seven hours to reach NYC

Long island would go underwater for a time
So would Florida
A few dozen nuclear reactors would be Fukushima, or worse
Hudson River would flood all the way to Albany
Could be one large one or several smaller ones.

or,...we could see a little ripple at the docks.

Just keep your tank filled w gas. Download some tsunami alert app or something


Oh then there is this -

"REV 8:8 - And the second angel sounded, and as it were a great mountain burning with fire was cast into the sea: and the third part of the sea became blood;"

translation

"A volcano erupted then busted up with a large portion falling into the sea killing 1/3 of all coastal inhabitants of that sea."

no, doesn't say which sea