- HD 1080
- Runtime: 84m.
- Status: Released
- 1
- Languages: en
- Country: United States of America
- Director: Arnold Laven
- Stars: Tim Holt, Audrey Dalton, Hans Conried, Barbara Darrow, Max Showalter
- keywords: california, sheriff, giant monster, earthquake, coast guard, u.s. navy, prehistoric creature, scuba diving, scientist, sea monster, creature feature, kraken, mysterious death, underwater cave, eccentric man, hysterical woman, little girl in peril, canal locks, old map, eggs, salton sea
- Production_studio: Gramercy Pictures, Inc., United Artists
- Slogan: A new kind of terror to numb the nerves!
- The The Monster That Challenged the World is featured in the top rankings of 1957
- #12 in Top Horror Movies of 1957
Giants Mollusks are released from the earth by an earthquake and start killing people.