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26 July 2009
Two recent landslides at hydroelectric sites in China
In the past week China has suffered two rather extraordinary landslide accidents at hydroelectric plants. The first occurred an 20th July 2009 near to the Xiaowan hydroelectric power station in Yunnan province. The dam, shown in the artist’s impression below, will apparently be the world’s tallest arched dam, standing 292 m high when finished. It is still under construction, with the first turbine expected to be operational later this year: …
3 May 2009
Turkish landslide statistics
Image from: http://www.panoramio.com/photo/20677530 Just a short post to point out some interesting statistics on rockslides in Turkey. The source of the data is the General Directorate of Disaster Affairs in Turkey, reported here. The statistics are:Total area at risk from rockslides in Turkey: 194,000 square kilometresNumber of people at risk: 8 million (11% of the population)Number of fatalities from rockslides between 1980 and 2000: 177. Given the high seismic hazard …
18 March 2009
38 years ago today – the Chungar landslide in Peru
Today is the 38th anniversary of a notable landslide – the Chungar rock avalanche in Peru. This landslide occurred on the banks of Lake Yanahuani (sometime spelt Lake Yanahuin), about 120 km north-east of Lima (see image below): The landslide, which had a volume of about 100,000 cubic metres, is shown on the image below. Unfortunately the Google Earth image resolution is low in this area, but you can see …
7 January 2009
Another video of the Guatemala landslide
It now appears that there are two videos of the Guatemala landslide. The second one, which is not as clear as the original, has appeared on the Telediaro 3 web site. It can be viewed here: http://www.telediario.com.gt/index.php?id=15366&tim;=# Meanwhile, there remains considerable uncertainty as to the number of victims (we may never know for certain I suspect), whilst speculation is intensifying regarding the cause. Given the clear size of the landslide …
6 January 2009
The Guatemala landslide was caught on video!
Unbelievably, it turns out that the Guatemalan landslide, which it appears killed at least 42 people, was caught on video. Geologist Marlon Contreras was recording at the edge of the site when the failure occurred. The video captures the movement, although mercifully little of the detail. The video can be viewed at this web page:http://www.prensalibre.com/pl/2009/enero/06/multimedia.html The failure that happens 1 minute and 50 seconds into the video defies belief! I …
5 January 2009
Guatemala landslide update: 33 killed and up to 70 people reported missing
A short update on the Guatemala landslide, which is looking like a dreadful tragedy. Diaro de Centro America has published this dramatic image of the site: Meanwhile Prensa Libre is reporting that the number of people killed is now known to be 33, with more people still missing. Telediaro suggests that the number missing may be as high as 70 people! Landslides are continuing to hamper the rescue operations.
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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