Little bit dataisincomplete.
With the ice ages and the rising and falling of continents, this is kind of incomplete due to the lack of deep sea bathymetry. Not to mention the straight up ice impact or ocean impacts we could have had. If the world was always roughy 70% water, then this represents far less than half of all the impacts, and many of them would have been insane tsunamis.
A bunch of much older ones could have formed the current Black Sea or Gulf of Mexico America.










That would easily be the most insane conspiracy ever.
Seeing how it almost certainly was an assassination (2nd attempt), cameras off, etc. And his brother and the autopsy doctor are disputing the suicide angle, I’m fairly certain he’s not here anymore.
Now whether there are other intelligence service honey pots reusing certain buildings…