The 1983 Popayán earthquake (Spanish: El Terremoto de Popayán) occurred on 31 March in Popayán, Colombia. It had a magnitude of at least 5.5 with an epicenter south west of Popayán at a depth of 12–15 kilometers (7.5–9.3 mi). The earthquake killed 267 people and resulted in the passing of new laws requiring earthquake resistant building materials in zones at risk of tremors.