An earthquake of magnitude 6.9 struck the South Sandwich Islands region, the European-Mediterranean Seismological Centre (EMSC) said on Monday.
The quake was at a depth of 10 km (six miles), EMSC said.
The quake occurred in the middle of the south Atlantic ocean, 2,960 km east-north-east of Punta Arenas, Chile, EMSC added.
There was no immediate tsunami threat after the quake, according to the U.S. Tsunami Warning System.
