HONG KONG, March 22 (Xinhua) -- An earthquake with a magnitude of 6.2 jolted 171 km ENE of Hihifo, Tonga at 1528 GMT on Sunday, the U.S. Geological Survey said.
The epicenter, with a depth of 79.7 km, was initially determined to be at 15.50 degrees south latitude and 172.27 degrees west longitude. ■
