Yungay, Peru (27 September 1962), the government ordered them to retract or face prison, and they fled the country. Citizens were forcibly prevented from speaking of an impending disaster. Eight years later the prediction came true. Caves Earthquake of 31 May 1970 Yungay, Peru Yungay is a town in the Ancash Region in north central Peru, South America. Yungay is located in the Callejón de Huaylas on Río Santa at an elevation of approximately 2,500 meters, 450 km north of Lima, the country's capital. East of the small town are the mountain ridges of snow-covered Cordillera Blanca, with Huascarán, Peru's highest mountain,
Trujillo, Peru and others. The Chimu culture built its primary settlement at what is known as Chan Chan, which was the capital, having an estimated 100,000 people at its peak. It is the largest pre-Columbian city built of adobe and has been designated a UNESCO World Heritage Site. Its remains are northwest of the current city center. The present Spanish–Peruvian city of Trujillo was founded in an ancestral territory populated by ancient indigenous civilizations. The Spanish founded new cities expressing their culture in what they called the "Viceroyalty of Peru". The Moche civilization flourished in northern Peru with its Huacas del Sol