Sedan Crater, Nuclear test crater in Nye County, United States.
The circular depression measures 1,280 feet in width and 320 feet in depth, with visible layers of displaced desert soil along its walls.
Created on July 6, 1962, through Operation Plowshare, this underground nuclear detonation of 104 kilotons moved 12 million tons of earth into the Nevada sky.
The Nevada Test Site crater represents the Cold War period when nuclear explosions were investigated for potential industrial and civilian construction applications.
Monthly guided tours allow visitors to observe the crater from designated viewpoints, with advance registration required through the Department of Energy.
The nuclear test that created this crater exposed more United States residents to radiation than any other experiment in the country's nuclear program.
Location: Nye County
GPS coordinates: 37.17694,-116.04611
Latest update: May 26, 2025 20:51
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