The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Over the course of my career, I have read many papers (and indeed, written a few) that have tried to explain the distribution of landslides based upon combinations of factors that we […]
landslides
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Images of the source of the 28 April 2025 landslide / GLOF at Vallunaraju in Peru
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. A few days ago I highlighted the severe landslide and GLOF that occurred on the flanks of Vallunaraju in Peru, on 28 April 2025, which caused substantial damage and at least two […]
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Patterns of fatal non-seismic rockfalls in Spain
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. A fascinating new paper (Corominas et al. 2025) has just been published in the journal Geoenvironmental Disasters that describes the compilation and analysis of a new dataset on fatal non-seismic rockfalls in […]
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The 28 April 2025 Glacial Outburst Flood (GLOF) / landslide at Vallunaraju in Peru
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 28 April 2025, a major debris flow travelled down a channel from a major mountain, Vallunaraju, striking the communities lower down the slope. At least 100 houses were destroyed and two […]
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The 25 October 1954 landslide disaster on the Amalfi Coast of Italy
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. I have frequently highlighted the growing impact of multiple landslide events triggered by extreme rainfall around the world. Whilst there is little doubt that such events are becoming more common, they have […]
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Remediating the Browney Curve landslide in County Durham
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Rail Advent has a very nice article that describes the now completed repair of the Browney Curve landslide on the East Coast Mainline railway line in England. This is a site that […]
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The 8 May 2022 Baiyan rock avalanche in Guizhou, China
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 8 May 2022, the catastrophic Baiyan rock avalanche occurred in Zhijin County, which is located in Guizhou Province, China. The digital lat/long is [26.63771, 105.69200]. I described this event at the time […]
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The 27 August 2024 post-fire debris flows in San Felice a Cancello, Italy
Guest post by Giuseppe Esposito and Stefano Gariano The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In a recent article published in the journal Landslides, Esposito and Gariano (2025) describe the first post-fire debris flow event with fatal consequences recorded […]
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An Atmospheric River Exacerbated Türkiye’s 2023 Earthquake Crisis
A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, highlighting the need for better risk assessment models.
Posted inOpinions
Beyond Majesty and Myths: Facing the Realities of Mountainside Development
Expansive construction in fragile mountain environments is often pursued without adequate consideration of heightened hazards and local concerns, putting people and infrastructure at greater risk.