NEW YORK, June 24 (Xinhua) -- An earthquake measuring 5.1 on the Richter scale jolted 195km SW of Vaini, Tonga at 15:09:35 GMT on Sunday, the U.S. Geological Survey said.

The epicenter, with a depth of 86.54 km, was initially determined to be at 22.6281 degrees south latitude and 176.3102 degrees west longitude. Enditem