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12 March 2020
Salkantay: Planet Labs imagery of the upper portions of the flow
Salkantay: Planet Labs has now captured imagery of the upper portions of the ice-rock avalanche and debris flow that occurred in Peru in February
25 February 2020
Spatial and temporal patterns of landslide losses in Colombia
Spatial and temporal patterns of landslide losses in Colombia Back in 2012 I posted about the levels of landslide losses in Colombia, which is one of the most landslide prone countries, based on my fatal landslide database. I noted that levels of loss are high, especially in the western side of the country, and that Colombia needs to be a priority country if we are to reduce loss worldwide. It …
10 February 2020
The exceptional mobility of tailings dam failures
The exceptional mobility of tailings dam failures I’m continuing to write my paper for the keynote at the 13th International Symposium on Landslides in Colombia this year (the paper is due this month, so the pressure is on). As I noted in a post last week, I’ve been looking at the impact of landslides in less developed countries; one key component of this is the impact of failures associated with …
6 February 2020
The Cerro Caquilluco–Cerrillos Negros rock avalanches in Peru
The Cerrillos Negros rock avalanche, one of a number in of such events in S. Peru, had a volume of 10 cubic kilometres and traveled for about 43 km
31 January 2020
Do trees make slopes more stable?
A new study (Lan et al 2020) explores whether planting trees increases slope stability. Spoiler alert: in general they do on lower angled slopes, but on steep slopes they can reduce stability.
29 January 2020
The role of weak pumice layers in landslides triggered by the M=6.7 6 September 2018 Hokkaido Iburi-Tobu Earthquake
A new study (Li et al. 2020) has found that a specific weak pumice layer controlled landslides triggered by the M=6.7 September 2018 Hokkaido Iburi-Tobu earthquake
21 January 2020
The 23 July 2019 Shuicheng County landslide: a first scientific report
On 23 July 2019 a large landslide occurred at Pingdi village in Shuicheng County, in Guizhou Province, China. A first scientific account of this landslide (Li et al. 2020) has been published in the journal Landslides
7 January 2020
Trimingham: a large landslide in complex glacial deposits
On 6 January 2020 a large coastal landslide occurred at Trimingham in north Norfolk, eastern England. This is an area of complex glaciotectonic deposits that control the style of landsliding.
28 November 2019
West Pokot: a landslide disaster in Kenya
Extremely heavy rainfall affected West Pokot in Kenya on 23 and 24 November 2019, triggering extensive landslides that have caused at least 50 fatalities
14 November 2019
Lokeberg: an interesting quick clay slide triggered by piling in Western Sweden
On 13 November 2019 a landslide affected a coastal area at Lokeburg in western Sweden. It appears that this was a quick clay landslide triggered by piling for a new beach house.
Dave Petley is the Pro-Vice-Chancellor (Research and Innovation) at the University of Sheffield in the United Kingdom. His blog provides a commentary on landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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