As seawater becomes steadily more acidic, complex branching corals die off and are replaced with hard boulder corals and algae.
Papua New Guinea
Posted inThe Landslide Blog
The 31 October 2025 landslide at Kukas in Enga Province, Papua New Guinea
An early morning landslide, triggered by heavy rainfall, killed at least 22 people in rural PNG. At about 2 am on 31 October 2025, a landslide struck a rural community at Kukas in Enga Province, Papua New Guinea. News reports suggest that it was triggered by heavy rainfall and that 22 bodies have been recovered […]
Posted inThe Landslide Blog
The 24 May 2024 landslide at Yambali in Papua New Guinea
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 24 May 2024 at 2:56 am local time, a catastrophic landslide occurred close to Yambali in Enga Province, Papua New Guinea, at: [-5.382, 143.365]. I wrote about this rockslide at the […]
Posted inNews
Corals Are Simplistic When Conditions Are Acidic
Increasing ocean acidity could spell trouble for fish that depend on corals’ many branches for protection.
Posted inThe Landslide Blog
Reflections on the 24 May 2024 Kaokalam landslide in Papua New Guinea
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. A great deal has been written about the 24 May 2024 Kaokalam landslide in Papua New Guinea, although there remains considerable uncertainty too. For example, estimates of the loss of life continue […]
Posted inThe Landslide Blog
The 24 May 2024 landslide at Kaokalam in Enga province, Papua New Guinea
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. At about 3 am on 24 May 2024, a large landslide occurred at Kaokalam, in the Muritaka area of Enga province in Papua New Guinea. The exact location of this event is […]
Posted inThe Landslide Blog
Recent fatal landslides in Papua New Guinea
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Landslides are a significant hazard in Papua New Guinea, resulting from the combination of the tropical climate; a deeply weathered, hilly landscape; seismic activity and human disturbance. However, the country remains comparatively […]
Posted inEditors' Highlights
Send in the Drones: Safely Monitoring Volcanic Gas Emissions
New drone technology was combined with satellite and ground-based data to improve volcanic gas flux monitoring at the remote Bagana Volcano in Papua New Guinea.
Posted inNews
Million or Billion? Narrowing Down the Age of Mantle Processes in New Guinea
Mantle rocks in Papua New Guinea contain curious geochemical signatures that scientists have traditionally interpreted as evidence of billions-year-old melting. New evidence suggests otherwise.
Posted inEditors' Highlights
Low-angle Normal Fault in Papua New Guinea is Rolling Along
Geologic and geomorphic observations of an active low-angle normal fault reveal a rolling-hinge mechanism accommodating the exhumation of a metamorphic core complex in Papua New Guinea.