What happened during the Trinity test in New Mexico in July 1945?

The Trinity test was the detonation of the world's first atomic bomb, a plutonium implosion device nicknamed "Gadget," which occurred at 5:29:45 am on July 16, 1945. Conducted at the Alamogordo Bombing Range (now White Sands Missile Range) in New Mexico, the device was placed atop a 100-foot steel tower designated "Zero".123

The explosion produced an intense flash, a massive fireball, and a mushroom cloud that reached 40,000 feet. The blast, equivalent to approximately 15,000 to 21,000 tons of TNT, completely vaporized the tower and fused the desert sand into a glassy, jade-colored mineral known as trinitite. Observers stationed miles away witnessed the event, which was visible from 50 miles away and caused ground tremors felt as far as 180 miles from the site.32

Following the successful test, the United States moved forward with plans to use the weapon against Japan, ultimately leading to the atomic bombings of Hiroshima and Nagasaki.3