Three earthquakes were recorded south of the Fiji islands in the Pacific on Wednesday evening, each at a depth of around 600 km (370 miles), the United States Geological Survey said.
There was no tsunami threat, Seismology Fiji said in a statement on social media.
The first earthquake of Magnitude 6.8 struck around 0938 GMT, the second of Magnitude 7 struck around 15 minutes later, and the third of Magnitude 6.6 at 1014 GMT, according to the USGS reports.
(Reporting by Kirsty Needham in Sydney; Editing by Andrew Heavens)