6.1-magnitude quake strikes off Chile

A 6.1-magnitude earthquake struck off the coast of Chile on Sunday, the U.S. Geological Survey reported.

The quake was centered 60 miles west-northwest of Iquique at a depth of 3.8 miles.

There were no immediate reports of damage or injuries.

Measuring the magnitude of earthquakes

The place where two earthquakes hit every hour

Last week: 6.7 earthquake strikes off Chile's Pacific coast