A magnitude 6.1 earthquake has struck central Chile in the same region that was badly damaged in a powerful quake in February.
No damage or casualties have been reported.
The United States Geological Survey said it occurred at 6.03am local time on Friday, 66km south of Concepcion, at a depth of 35km.
Concepcion is the second-largest city in Chile. It was badly damaged by a magnitude 8.8 earthquake and an ensuing tsunami on 27 February.
Total damage has been estimated at $US30 billion. Nearly 500 people were killed.
More than 1.5 million houses across the country were damaged.
