Magnitude 6.0 Aftershock Rattles Quake-Hit Papua New Guinea Highlands

Locals surround a house that was covered by a landslide in the town of Mendi after an earthquake struck Papua New Guinea's Southern Highlands in this image taken Feb. 27, 2018, obtained from social media. Francis Ambrose/via Reuters

SYDNEY/WELLINGTON—Strong aftershocks rocked Papua New Guinea’s remote and rugged highlands on Monday, a week after a deadly magnitude 7.5 earthquake killed at least 31 people.

Three aftershocks stronger than magnitude 5 shook the mountainous Southern Highlands, about 600 km (370 miles) northwest of the capital Port Moresby early on Monday, the U.S. Geological Survey said, including a shallow magnitude 6 quake.