SYDNEY -- A 7.2-magnitude earthquake struck 33 km. northwest of Bulolo in the South Pacific nation of Papua New Guinea on Tuesday, according to the US Geological Survey.

The earthquake, which occurred at 7:19 a.m. local time, was initially determined to be at 6.977 degrees south latitude and 146.440 degrees east longitude at a depth of 126.9 km.

No injury or damage has been reported and no tsunami warning has been issued at this time. (Xinhua)