While dropping the bombs, Teddie is shown shooting the lavalantulas with a machine gun. Her gun switches from a long barreled one to a short barreled bull-pup one several times during the firefight.
Colton's Kia shows the license plate 6WUW186 in some scenes and 5764336 in others. In one scene, the 5764336 is actually flipped.
The scientist at the tar pits says that the Mayans called these creatures 'Lavalantula'. However, the word 'lava' is of Italian origin from the mid 1700s, after the end of the Mayan civilization.
Olivia West is carrying around an semi-automatic hand gun with the slide back which means that it is out of ammunition.
Olivia hides under a fire blanket when the Lavalantula burns the inside of the truck. However, it is well known that fire blankets cannot withstand the heat spawn from a Lavalantula.
When Olivia is talking to Doris on the phone about the power being out, she is using a cordless phone. While the handset would be battery powered, it wouldn't be able to work unless the base had power as well.
On one of the interviews, the people passing by in the background is the same all the time just going back and forth.
(~59:37) In breaking news, in the headlines of the news ticker, citizens are informed about the unknown number of "fatalaties", instead of "fatalities".
During one of the news scenes detailing the bus explosion, they show fire trucks in front of a multi-story building. This scene appears to be from an east-coast city such as New York, based on the trees and lack of foliage.
When Colton flags down the Starline tour bus, the giant white reflector helping to light the scene is reflected several times in his sunglasses.
(at around 1h 44 mins) While the TV reporter is talking, the scrolling text at the bottom of the screen tells the viewers that "Marshall law" has been declared. It should be "Martial law."
When the truck stops and the soldiers are leaving, one soldier gives Olivia a fire blanket. He then proceeds to give another passenger what appears to be a standard furniture pad.