BEIJING, April 20 (Xinhua) -- An earthquake with a magnitude of 6.1 jolted 114 km northeast of Hihifo, Tonga at 1734 GMT on Sunday, the U.S. Geological Survey said.
The epicenter, with a depth of 10 km, was initially determined to be at 15.14 degrees south latitude and 173.13 degrees west longitude. ■