The 2010 Copiapó Mining Accident occurred on August 5, 2010, when 33 miners were trapped underground in the San José mine near Copiapó, Chile. A cave-in blocked their exit, leaving them stranded approximately 700 meters below the surface. Rescue efforts began immediately, involving drilling operations and international assistance. After 69 days, on October 13, 2010, all 33 miners were successfully rescued in a dramatic operation that captured global attention. The incident highlighted issues of mine safety and led to changes in regulations within the mining industry.