Bogota: This photo, taken on August 10, shows the aftermath of the earthquake in Pereira, the capital of Risaralda Province, Colombia. (Photo: Xinhua via IANS)Bogota, August 10 (IANS) At least 18 people died in Pereira in western Colombia in the 7.4-magnitude earthquake, city mayor Mauricio Salazar said on Monday in an interview with Caracol Radio. A 7.5-magnitude earthquake jolted Colombia at 8:34 p.m. on Monday (Beijing Time), according to the China Earthquake Networks Centre (CENC), Xinhua News Agency reported. The epicentre was monitored at 4.85 degrees north latitude and 76.15 degrees west longitude. The epicentre, with a depth of 93.7 km, was initially determined to be at 4.86 degrees north latitude and 76.19 degrees west longitude.