The quake took place at 21:19 GMT on Monday, around 33 kilometers (20.5 miles) to the north-west of the town of Bulolo. The epicenter was located at a depth of 126.9 kilometers.
No immediate statement on any damage or casualties was made.
Prelim M7.2 Earthquake eastern New Guinea region, Papua New Guinea May-06 21:19 UTC, updates https://t.co/m2bq7LCfxC— USGS Big Quakes (@USGSBigQuakes) May 6, 2019
The USGS-linked Pacific Tsunami Warning Center said there is no tsunami threat after the quake, according to Reuters.
Papua New Guinea lies on the so-called Pacific Ring of Fire — an area in the Pacific Ocean extremely prone to earthquakes and volcanic eruptions. About 90 percent of all global seismic activity occurs in this region.