A 6.1-magnitude aftershock shook the central Maule region of Chile on Sunday, Xinhua reported according to the U.S. Geological Survey (USGS).
The earthquake struck at 5:43 p.m. local time (2143 GMT). Its epicenter was located offshore at 282 km south of Santiago, at a depth of 19 km, according to the USGS.
There were no reports of casualties or damage so far.
The Maule region was one of the worst hit areas in the Feb. 27 earthquake that killed about 500 people and caused some 30 billion U.S. dollars of loss.