Most Similar Movies to Crack in the World (1965)
If you are looking for movies like Crack in the World (1965), you might like movies tagged with keyword : sci-fi, disaster, adventure, thriller, drama, apocalyptic, scientists, experiment gone wrong, special effects, cold war era, natural disaster, human survival, science ethics, suspense, unknown threat, global crisis, technology out of control, scientific exploration, classic sci-fi, 1960s film .
When Worlds Collide (1951), Doomed Planet (2014), Deep Impact (1998), The Black Scorpion (1957), How It Ends (2018), Jurassic Park (1993), The Neptune Factor (1973) ... Let's take a look at the following list...

When Worlds Collide (1951)
As a new star and planet hurtle toward a doomed Earth, a small group of survivalists frantically work to complete the rocket which will take them to their new home.
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Doomed Planet (2014)
When the Earth's core overheats, it causes a chain reaction that threatens to destroy mankind.
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Deep Impact (1998)
Unless a comet can be destroyed before colliding with Earth, only those allowed into shelters will survive. Which people will survive?
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The Black Scorpion (1957)
Two geologists (Richard Denning, Carlos Rivas) try to destroy a giant scorpion that surfaces after a volcanic eruption in Mexico.
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How It Ends (2018)
A desperate man tries to return home to his pregnant fiancée after a mysterious apocalyptic event turns everything to chaos.
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Jurassic Park (1993)
A pragmatic Paleontologist visiting an almost complete theme park is tasked with protecting a couple of kids after a power failure causes the park's cloned dinosaurs to run loose.
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The Neptune Factor (1973)
When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.
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The Monster That Challenged the World (1957)
An earthquake doesn't just shake up Southern California -- it awakens a nest of monsters lurking in the Salton Sea. These bloodthirsty sea snails are gobbling up anyone who sets foot in the water. And when the creatures move on to land in search of wider hunting grounds, they launch a reign of terror that threatens to spread across the whole country. Humanity's only hope rests on a crew of intrepid scientists and Lt. Cmdr. John Twillinger (Tim Holt).
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The Beast From 20,000 Fathoms (1953)
A ferocious dinosaur awakened by an Arctic atomic test terrorizes the North Atlantic and, ultimately, New York City.
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The Blob (1988)
A deadly entity from space crashes near a small town and starts to consume anyone in its path. Panic ensues, as shady government scientists try to contain the horrific creature.
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Earth vs. the Flying Saucers (1956)
Extraterrestrials traveling in high-tech flying saucers contact a scientist as part of a plan to enslave the inhabitants of Earth.
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10,000 Days (2014)
Ten thousand days ago, Comet 23 struck Earth with the magnitude of all the nuclear weapons in the world sending the planet into a deep freeze. Now, 27 years in the future, those who survived are locked in an epic battle of life or death.
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Deep Blue Sea (1999)
Searching for a cure to Alzheimer's disease, a group of scientists on an isolated research facility become the prey, as a trio of intelligent sharks fight back.
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The Meg (2018)
A group of scientists exploring the Marianas Trench encounter the largest marine predator that has ever existed - the Megalodon.
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Asteroid-a-geddon (2020)
A global scientific summit debates and fails on a plan to stop a massive asteroid heading straight for Earth, with all countries blaming each other for the impeding disaster. With communications tense, the daughter of a tech billionaire assembles her own team of specialists to try to destroy the asteroid before it is too late.
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The Core (2003)
The only way to save Earth from catastrophe is to drill down to the core and set it spinning again.
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Meteor (1979)
The U.S. must join forces with the U.S.S.R. in order to destroy a gigantic asteroid heading straight for Earth.
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Deep Blue Sea 3 (2020)
Studying the effects of climate change off the coast of Mozambique, a marine biologist and her team confront three genetically enhanced bull sharks. Now, a new bloodbath is waiting to happen in the name of science. Will humans never learn?
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