President Thomas Wilson: Six months ago, I was made aware of a situation so devastating that, at first, I refused to believe it. However, through the concerted efforts of our brightest scientist, we have confirmed its validity. The world, as we know it, will soon come to an end.
In the poster shot and in the film, the wave from the Atlantic carrying the carrier JFK into a collision with the White House comes crashing in from the west because the south portico of the White House is seen. The Atlantic Ocean is east of Washington, so the wave should come from the other direction. And even a wave coming from the east could not have made the JFK (CV-67) crash into the White House because the carrier has been retired in 2005 and is berthed in Philadelphia, which is northeast of Washington DC.
Though named differently, all the state leaders (plus the governor of California) shown in the movie are of the same gender, ethnicity and general appearance as their real-world counterparts who ruled in 2009.