The latest large temblor was a magnitude 6.7 quake that struck just after midnight Tuesday.
Damage caused by an quake in Papua New Guinea is seen in this handout image released March 7, 2018.
Communities have also been rattled by strong aftershocks, sparking fears among disenchanted and suspicious residents that the shaking was somehow caused by oil and gas operations in the area.
In Papua-New Guinea natural disaster of magnitude 6.7, killing at least 55 people.
The 6.8 magnitude tremor was recorded nine days after a 7.5 magnitude quake jolted the country's southern highland province that left more than 100 people dead. "There will be no quick fix", he said.More news: Chip & Joanna Gaines Are Having a Baby Boy
The latest natural disaster hit at 6:39am New Zealand time, 44km north-east of Taron.
O'Neill said while there was no evidence that energy developments in the Southern Highlands and Hela provinces had anything to do with the quake, he had asked the Australian government to conduct an independent review.
Pinol met with Papua New Guinea Prime Minister Peter O'Neill to personally extend the President's condolences. "Our people are traumatized and finding it hard to cope".
Powi said 39 people died in his province after families were crushed by their collapsing homes or buried by landslides last week.
"It's a mammoth task", he said.