Authorities are trying to establish evacuation centres on safer ground on either side of the massive swath of debris.
Drone video reveals the extent of the damage caused by a landslide in Papua New Guinea, which killed over 670 people.
Landslide blocked highway access to affected communities making helicopters the easiest way to reach the disaster zone.
Dozens of people are feared dead after a “massive” landslide swept through a village in northern Papua New Guinea.