Smaller rockfalls have reduced the risk of a major rock slope collapse above Blatten, but attention has shifted to the Birch Glacier, which is now moving at 10 metres per day. The Landslide Blog is written by Dave Petley, who is widely recognised as a world leader in the study and management of landslides. Over […]
Alps
Posted inThe Landslide Blog
The 21 May 2025 update on the landslide threatening Blatten in Switzerland
The Landslide Blog is written by Dave Petley, who is widely recognised as a world leader in the study and management of landslides. News this morning from Blatten in Switzerland is that the landslide on Kleiner Nesthorn has continued to develop. Blue News reports that: “The situation in Blatten in the Valais Lötschental remained tense […]
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The incipient major rock slope failure at Blatten 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. In Switzerland, a dramatic rock slope failure is developing above Blatten [46.4128, 7.7987], a village located in Vallais Canton. Blue News is providing regular updates on a dedicated website. The drama started […]
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A new landslide-driven evacuation of Brienz 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. Back in the summer of 2023, Brienz in Switzerland was evacuated due to the threat of a large rockslope failure that threatened to bury the village. The so-called Brienz-Brinzauls landslide finally failed […]
Posted inResearch Spotlights
Watching and Listening for Signs of Slope Failure
Ten years of data preceding a rockfall in the French Alps suggest the need for more comprehensive monitoring systems.
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The evolution of damage in large rock slope failures – the La Praz landslide
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Large rock slope failures are a very substantial hazard in areas with steep topography, as was recently shown by the catastrophic 24 May 2024 landslide at Kaokalam in Enga province, Papua New […]
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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 […]
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Webcam images of the 14 April 2024 Piz Scerscen rock avalanche
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Silvan Leinss from Gamma Remote Sensing has very kindly captured and downloaded webcam images from the Corvatsch skiing station on the day of the Piz Scerscen rock avalanche. The camera was pointed […]
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Images of the 14 April 2024 Piz Scerscen rock avalanche in Switzerland
Piz Scerscen The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Various images have now emerged of the 5 km long, 14 April 2024 Piz Scerscen rock avalanche in Switzerland. With thanks to Amt für Naturgefahren, Kanton Graubünden, Ch, these three […]
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A large rock avalanche on Piz Scerscen 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. Early in the morning of 14 April 2024, a large rock avalanche occurred on the flanks of Piz Scerscen in the Swiss Alps, close to the border with Italy. Fortunately, the landslide […]