?The U.S. Geological Survey (USGS) said on Thursday that a new 6.3-magnitude earthquake hit Antofagasta in Chile's north region.

The USGS said the earthquake was not related to the one registered on Saturday in the center-south region of the country. Its epicenter is 87 km is northwest of Calama and 1,574 km north of the capital city of Santiago.

The quake can be felt in the northern areas, and triggered panic.

Chile's National Emergency Office said this earthquake brings no risk of tsunami.

Carmen Fernandez, head of the office, said it was not aftershock of last week's megaquake.

In Calama, schools, businesses and workplaces are closed.

The northern areas affected by the quake is mainly desert. So far there has been no no reports of casualties and material damages.