The Landslide Blog Archives

The highly mobile boulders at Ticino in Switzerland.

Spectacular bouncing boulders in Ticino, Switzerland

by Dave Petley 21 September 202321 September 2023

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Highly mobile boulders are one of the most extraordinary and hazardous landslide phenomena. In recent years, mobile phone footage has captured a number of these events, such as the famous boulder at […]

Google Earth image of an earlier landslide at Dolton, Illinois.

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The unusual 18 September 2023 landslides at Dolton in Illinois

by Dave Petley 19 September 202319 September 2023

A least two landslides were triggered by heavy rainfall on 18 September 2023 at a landfill site at Dolton in Illinois, USA.

Google Earth image of the site of the 2014 mine waste landslide at Dagushan in China.

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The 12 November 2014 mine waste landslide at Dagushan in Anshan, China

by Dave Petley 18 September 202318 September 2023

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 12 November 2014, an 8.45 million cubic metre landslide occurred in a mine waste pile at the Dagushan open-pit iron mine in Anshan, China. The failure occurred in a a huge […]

Google Earth image of the lower dam and the city of Derna.

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Further information about the Wadi Derna dams

by Dave Petley 14 September 202314 September 2023

The dam failure disaster on Wadi Derna in Libya is now thought to have killed 20,000 people The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. As the true horror of the Derna flood disaster in Libya continues to become apparent, […]

One of the dams that collapsed at Wadi Derna

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The failed dams in Wadi Derna in Libya

by Dave Petley 13 September 202313 September 2023

Information is now emerging about the two dams that collapsed in Wadi Derna, causing the devastating floods in Libya

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Passing through the eye of Typhoon Haikui in Taiwan

by Dave Petley 12 September 202312 September 2023

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 last two weeks, I travelled with my daughter Holly through Taiwan on vacation. Loyal readers will know that in the early part of my career I spent some time in […]