NEW YORK, Feb. 11 (Xinhua) -- An earthquake measuring 5.4 on the Richter scale jolted 52km WSW of Ndoi Island, Fiji at 16:38:14 GMT on Sunday, the U.S. Geological Survey said.

The epicenter, with a depth of 619.77 km, was initially determined to be at 20.9059 degrees south latitude and 179.1221 degrees west longitude.