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13 May 2013
A very dangerous reservoir bank landslide in China
A dangerous landslide has developed on the banks of the Laxiwa HEP station in China. The displacement to date is >25 metres and the mass is over 100 million cubic metres.
27 October 2012
Two interesting forthcoming conferences – the five years after the Wenchuan (Sichuan) earthquake and 50 years after Vajont
Two interesting forthcoming conferences to mark significant landslide events: 5 years after the Wenchuan earthquake and 50 years after Vajont
8 April 2012
Images of the Three Gorges Dam ship lock wall
Yesterday I visited the site if the Three Gorge Dam. This post shows some images of the impressive cutslope above the ship locks
30 October 2010
Reports suggest that the Kolontar dam collapse was associated with foundation failure
The Kolontar dam failure in early October 2010, which caused the red sludge disaster that received considerable attention, is reported to have been associated with a foundation failure, as suggested on this blog immediately after the event.
11 October 2010
Images of the top surface of the Ajkai Timfoldgyar / Kolontar tailings dam
The index.hu website has a set of images taken of the top of the dam at Ajkai Timfoldgyar / Kolontar. These are helpful in confirming observations from the aerial imagery featured yesterday that a section of the tailings dam has moved. This images shows the pipe running across the top surface of the dam: As expected, the image shows that the main block shown has moved to the right and …
10 October 2010
Further insights into the failure mode of the Ajkai Timfoldgyar (Kolontar) tailings dam
Thanks once again to Peter Diehl, the causes of failure of the Ajkai Timfoldgyar / Kolontar tailings dam are becoming clearer, and appear to support initial suspicions. There is an excellent gallery of images here, of which this is the most interesting in this context: This is the damaged (cracked) section of the north side of the dam. Zooming into the cracks on the top of the dam shows this: …
9 October 2010
New aerial images of the Ajkai Timfoldgyar tailings dam site
Thanks again for Peter Diehl for his help with this one. Greenpeace have collected and released some oblique aerial images of the site at Ajkai Timfoldgyar (Kolontar) that are revealing. They are available on the Der Standard website. The best image of the dam itself is this one: Note the crack in the dam surface on the left side of the image. It is also worth noting that the dam …
5 October 2010
Tailings landslide in Hungary and a dam crisis in Vietnam
News today, barely covered in the international mainstream media so far, of a new tailings-related landslide in Hungary yesterday. The only English report that I have seen so far is on the Chinese CriEnglish website, which reports that 700,000 cubic metres of bauxite ore formed a flow that struck three villages in Veszprem county. These villages appear to be Devecser, Somlóvásárhely and Kolontar. The Google Earth imagery of this area shows the origin if the accident …
27 July 2010
Interesting context to today’s landslide in China
The landslide that killed 21 people in China this morning occurred in Hanyaun County (see here and here). This article, from April this year, may provide some interesting context to the event: http://www.rfa.org/english/news/china/pubugou-dam-04262010104755.html Authorities in the southwestern Chinese province of Sichuan have begun demolishing houses and forcing people from their homes near the Pubugou hydroelectic power project, which is due to go into operation soon. “They are forcibly demolishing houses,” …
Interesting context to today's landslide in China
The landslide that killed 21 people in China this morning occurred in Hanyaun County (see here and here). This article, from April this year, may provide some interesting context to the event: http://www.rfa.org/english/news/china/pubugou-dam-04262010104755.html Authorities in the southwestern Chinese province of Sichuan have begun demolishing houses and forcing people from their homes near the Pubugou hydroelectic power project, which is due to go into operation soon. “They are forcibly demolishing houses,” …
Dave Petley is the Vice-Chancellor of the University of Hull in the United Kingdom. His blog provides commentary and analysis of landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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