On 21 December 2023, Planet Labs captured imagery of the Mount Hanang debris flows in Tanzania, highlighting that many failures coalesced into channelised debris flows.
Dave Petley
Posted inThe Landslide Blog
Trends in the occurrence of landslides in Nepal from 2011 to 2020
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Nepal is one of the most landslide prone countries on earth, a consequence of its topography, geology, climate and socio-economic setting. I have long had an interest in landslides in Nepal, and […]
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Landslides from the 1 January 2024 Noto Peninsula Earthquake in Japan
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 1 January 2024, the Mw=7.5 Noto Peninsula Earthquake struck the Ishikawa Prefecture in Japan. AS of the time of writing, 168 people are known to have lost their lives, whilst up […]
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The downstream impacts of the 4 October 2023 GLOF in Sikkim, India
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. The 4 October 2023 Glacial Outburst Flood (GLOF) in Sikkim was triggered by a landslide into a glacial lake, that in turn triggered an overtopping event that generated the appalling debris flow […]
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Giant landslides in the Vaigat strait in Greenland
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 and important open access paper has just been published in the journal Geology (Svennevig et al. 2023) that seeks to understand the generation of tsunami waves in high latitude fjord […]
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An interesting failure of an engineered slope in Puchong, Malaysia
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 16 December 2023 an interesting failure occurred on an engineered slope at Taman Wawasan in Puchong, Malaysia. The location of the slope is [3.0378, 101.6215]. The failure removed the roadway in […]
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The 4 June 2023 Yongsheng landslide in 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 4 June 2023 the Yongsheng landslide in Jinkouhe District of Sichuan Province in China killed 19 people, located in a miners’ dormitory that was crushed by the failure. I blogged about […]
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A landslide susceptibility map for India
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. In terms of lives lost from rainfall triggered landslides, India is the worst affected on Earth. The combination of areas of steep topography, high uplift rates, monsoon rainfall and environmental degradation yields […]
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Bonchurch: a very large landslide on the Isle of Wight
On 10 December 2023, a large landslide occurred at Bonchurch on the Isle of Wight in the south of England. 20 houses have been evacuated.
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Katesh and Gendabi: the 2 – 3 December 2023 channelised debris flows in Tanzania
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 2 – 3 December 2023, very heavy rainfall struck the Northern Manyara region in Tanzania in Africa, triggering damaging landslides. Worst affected appears to be the area of Mount Hanang, a […]