Continuity mistake: When the Siberian siblings have supper, one is sitting higher than the other, who's perpendicular to him. A shot later, they're parallel to each other and the smallest kid is now taller.
Continuity mistake: Before the wave enters the control room, there's a TV on the right. When the water breaks in, the TV disappears.
Continuity mistake: When the tidal wave is about to break into the control room, the guy next to the window suddenly grows a toupee.
Visible crew/equipment: In Hong Kong, when the people are running for their lives, check a group of bystanders on the left behind a safety barrier, calmly watching the filming.
Revealing mistake: When the tidal wave floods the city and the road, one can see a thick line where the water footage was pasted over the city footage. Furthermore, all of the cars keep driving despite the chaos, and not a single object falls down.
Visible crew/equipment: When Bradley is in the control room, the T-mark on the floor is visible. (01:12:30)