Continuity mistake: When Denise escapes from the rolling home, she trips and her jeans get covered in dust. A shot later they're clean.
Continuity mistake: Sam stretches out his right arm to save the man hanging by a girder. A shot later his left arm is stretched. Then a shot later his right arm is extended.
Continuity mistake: A huge chunk of ceiling falls right next to the drunk guy, but the very next shot of him shows not an inch of dust around and the exact lighting as he had before the mess.
Continuity mistake: During the quake, Corry is riding his bike on the bridge and loses his balance, then rests his left hand on the bridge. A shot later it's holding the handlebar.
Continuity mistake: When Rosa exits the cinema a woman in pink with a white purse runs away. Several seconds later she is inside the cinema and is running away again.
Continuity mistake: During the fight at the bar, the bald man is lying against the wall, with a man on top of him. Immediately after, barely half a second later, their positions are totally different: the bald man is away from the wall and on top of the other man plus the surrounding people have changed places and pool cues have appeared out of nowhere.
Continuity mistake: After Adams talks to the farmer, his aide is inside the trench, walking right next to the wooden ladder. A shot later he is four meters away from the ladder.
Continuity mistake: During the earthquake at the bar, a man in a yellow shirt crashes against the jukebox. A second later he is next to the pool table.
Continuity mistake: During the quake at the Seismological Institute, one of the men's shirts changes from beige to dark brown between shots.
Continuity mistake: When the car chase ends, the speeding car stops next to a tree. A shot later the car is 10 meters away from it.
Continuity mistake: When the bar is collapsing, the bags of crisps net to the drunk guy appear/disappear randomly between shots.
Continuity mistake: When Stewart arrives at Denise's place, a book suddenly appears on top of the books on the second shelf.
Continuity mistake: After the quake, people rush down and find a man hanging onto a beam. Sam walks down towards him. Shot changes, and he is several meters behind, walking down again.
Continuity mistake: Miles is attempting to spin through a loop on his motorcycle. The first time he performs the stunt, he drives half way and falls out of the loop and lands on the ground. As soon as he and the bike land, the bike is positioned with the bike's wheels facing away from the loop. Miles is then helped up and the bike has suddenly shifted 180°, with the wheels now facing towards the loop.
Continuity mistake: After the bar where the drunk collapses, there's a scene of an office where a piece of ceiling falls on the left side. A second later, the office is clean and the ceiling falls again.
Answer: There are two versions of the film. A 'film' version which does not include this scene (and others) and a 'TV Miniseries' version. The miniseries version was made to run over two nights and extra scenes were shot to extend the running time.
jle