The rule of Improbable Cover states: explosions in movies can't see you if you sidestep behind a wall or jump behind a table. Of course, as the Mythbusters showed, this can be Truth in Television often some small amount of cover can blunt the "pressure shockwave" caused by the explosion, although insufficient cover probably won't protect you from flames or flying debris also caused by the explosion, which can still injure or kill you. Sister trope of Concealment Equals Cover. Also see Bulletproof Human Shield.
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Anime And Manga
- Barefoot Gen, Gen survives the detonation of the nuclear bomb simply because there was a wall between him and it. The people around him were not so lucky. Even more terrifying because it actually happened....
- In Double Team, the heroes hide behind a coke machine and survive despite roaring walls of flame on either side. Possibly a moment of genre-savvy.
- Independence Day: Pretty much every time there's an explosion that the heroes escape, they do so by this trope.
- The most blatant is the tunnel one: Jasmine, her son and the dog hiding in a maintenance room inside the tunnel could be plausible... if not for the door that remains open with a wall of fire running through and somehow not entering the room.
- Predator and Predator 2. In the first film Dutch lives through a small nuclear (?) explosion at close range because he ducked behind some cover. In the second film Lieutenant Harrigan survives the exhaust blast of a Predator ship taking off by doing the same thing.
- In Hot Fuzz a massive explosion that takes out a whole building is survived by the people inside it. They do this by hiding behind some old sofas. This is "explained" in the extras.
- Dante's Peak: Harry, Mayor Wando and her kids escapee the eruption of the titular volcano by hiding in a mine.
- The Day After Tomorrow: They outrun an oncoming ice storm, and escape it by closing a door.
- In the Die Hard, series, this happens multiple times.
- In the first film, McClane builds a homemade bomb and tosses it down an elevator shaft. When it goes off, a blast of fire shoots upward toward him. He survives by stepping to the side of the door.
- Subverted, in Tremors 2: Aftershocks, when Earl tosses a bomb in an attempt to kill a Shrieker, it lands in the bed of a truck packed with explosives. When the others hide behind a nearby building, Burt shouts at them to "Keep running!". They look at Earl, who replies "Burt knows his bombs". After quite a bit more running, they find a ditch, which, combined with the distance, provides sufficient cover.
- In Indiana Jones and the Kingdom of the Crystal Skull, Indy survives a nuke by hiding in a refrigerator.
Live Action TV
- In the first season finale of The Walking Dead Dale and Andrea survive the explosion of the CDC by flattening themselves against a pile of sandbags.
- In the Castle two-parter "Tick, Tick, Tick..." and "Boom!", Beckett survives her apartment being blown up by diving into her bathtub just as the bomb went off. More justified in this case since her tub is one of those old cast iron jobs.
- Tokumei Sentai Go Busters: Ryuji uses a table in #1 to block a bullet attack from the Monster of the Week. Said monster has an arm that can cut through a car with no effort.
- True of most "heavy" weapons in Mass Effect, including rocket launchers, anti-materiel rifles, and grenades: all of them are stopped by the flimsiest of cover. However, in Mass Effect 3, enemies have learned to throw grenades behind your cover — and you can return the favor by grabbing a heavy sniper rifle and sniping enemies through cover.
- Against advanced Half-Life 2 AI, the only thing you can do is hide.
- Nuclear blasts are strange things, sometimes a person can be vaporized while someone standing right next to them survives simply because of a wall. This is mainly because that the heat flash of a weapon will travel like light, areas in complete shadow are completely shielded, even if quite close to ground zero. Sure the wall itself would easily be obliterated by the following blast wave but the point still stands.
- During 9-11, a few survivors were found inside the debris pile. Most had been trapped in the bottom six floors of the stairwells, which had somehow remained partially intact.
- Real bombs shockwaves are tricky things. Running down a side street won't save you if you are still within the danger area - the shockwave spreads out along any route offering least resistance. However when IRA terrorists bombed Manchester City centre, a traditional red telephone box suffered no damage apart from a cracked pane of glass, despite being well inside the cordon, and more extensive damage being wrought around it.