An earthquake measuring 7.1 on the Richter scale jolted Australia's Macquarie Island region Saturday morning, according to China's Seismological Forecast Network.
The quake hit the region at 08:30 Beijing Time and the epicenter was initially determined to be 55.6 degrees south latitude and 158.4 degrees east longitude, according to the Chinese network.
There are no immediate reports of casualties or damages.
An earlier report by Xinhua's Wellington bureau said the U.S. Geological Survey also measured the quake at 7.1 magnitude and no tsunami warning has been issued by the Pacific Tsunami Warning Center.
The quake was centered beneath open ocean, 112 km southwest of Macquarie Island, and 755 km southwest of New Zealand's Auckland Island, according to the report.