World Strong 6.3 earthquake rattles Colombia, nearby aftershock registers 5.7, USGS says August 17, 2023Natalie Neysa Alund, USA TODAYComments Off on Strong 6.3 earthquake rattles Colombia, nearby aftershock registers 5.7, USGS says The notable quake registered a preliminary magnitude of 6.3, according to USGS, and was recorded about 9.9 miles north of the town of Cumaral.