Strong 7.1 quake strikes near Antarctica

A magnitude 7.1 quake struck on Monday in the southern Atlantic Ocean, close to the South Sandwich Islands north of Antarctica, the US Geological Survey said.

The quake, initially reported as a magnitude 7.5, was in a remote area and fairly deep underground, according to a Reuters report.

The US Pacific Tsunami Warning Center said in an advisory that it did not cause a tsunami threat.