The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 13 July 2024, a terrible landslide occurred on a road in the mountainous province of Ha Giang in Vietnam. A minibus travelling along a road in Bac Me District at 4 […]
rain
Debris flow hazards in urban environments – an example from South Korea
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. An interesting paper (Lee et al. 2024 – available online as a pdf) has recently been published in the International Journal of Erosion Control Engineering, which considers landslide problems in expanding urban […]
The possible causes of the deadly 21 June 2024 Sorte debris flow in Switzerland
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. The Federal Office of Topography in Switzerland has collected and published online aerial imagery of the site of the deadly 21 June 2024 debris flow in Switzerland, which killed three people. The […]
Landslides triggered by an extreme rainfall event on 4 July 2023 in Wanzhou, China
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In the last few days, China has suffered multiple landslides triggered by heavy rainfall, with reports of fatalities. It is often difficult to get high quality information about these events in China […]
Agricultural Lands Are Losing Topsoil—Here’s How Bad It Could Get
A new study says topsoil erosion is likely to increase under climate change, though policy changes now could help stem the loss.
Rain Comes to the Arctic, With a Cascade of Troubling Changes
Rain used to be rare in the Arctic, but as the region warms, so-called rain-on-snow events are becoming more common. The rains accelerate ice loss, trigger flooding, landslides, and avalanches, and create problems for wildlife and the Indigenous people who depend on them.
Landslides from the record-breaking 2023 storms in Auckland, New Zealand
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In January and February 2023, the largest city in New Zealand, Auckland, and its surrounding area was affected by two extraordinary rainfall events, triggering many thousands of landslides. In an open access […]
Landslides associated with the extreme rainfall in Jiangwan, Guangdong, China
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. It is widely reported that the Chinese province of Guangdong is suffering a period of extreme rainfall, driving widespread flooding. Thousands of people have been evacuated and there is widespread damage. Less […]
When It Rains, It Pours!
Water that falls on a forest canopy during rainfall events reaches the ground at focused locations called “pour points”. This insight has a major impact on how we view hydrologic processes on the ground.
Air Pollution Has Masked Climate Change’s Influence on U.S. Rainfall
A study suggests that high levels of aerosol pollution have offset higher precipitation levels caused by a warming climate.