An earthquake struck near Malmstrom Air Force Base in Montana, which oversees a large network of intercontinental ballistic missile (ICBM) silos spread across the state. Another resident shared: 'Just had a big earthquake here in Montana. The quake occurred near areas that house hardened missile silos and launch control facilities. Military officials have not issued a statement about the earthquake or whether any damage has occurred to the silos. Each missile is 60 feet in length and weighs almost 80,000 pounds, with a range of 8700 miles.