From the Associated Press:A magnitude-8.0 earthquake struck early Thursday near the South Pacific nation of Tonga, the U.S. Geological Survey said. A tsunami warning was issued for Fiji and New Zealand.The temblor, classified by the USGS as a "great" quake, struck 95 miles south of Neiafu, Tonga, and 1,340 miles north-northeast of Auckland, New Zealand.The U.S. Pacific Tsunami Warning Center issued the tsunami warning but said it was not known whether the quake generated a potentially deadly giant wave.