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18 September 2009
Extraordinary! Using a helicopter sledgehammer to clear loose rock from a cliff!
I thought I had seen everything until I saw this video! It is from Norway, showing an extraordinary method for removing a loose rock pillar from a high, steep cliff. The answer is obvious – just hang a 1.8 tonne block on a cable under the helicopter and bash the offending rock with your new sledgehammer. This must take very skillful flying. The most amazing thing is that it worked …
31 May 2009
Landslides and the Kailash Mansarovar yatra
One of the great pilgrimages of the Hindu faith is the Kailash Mansarovar Yatra, which is a 400 km trek up to Lake Mansarovar in Tibet. This pilgrimage is very demanding – the lake is at 4550 m above sea level. It is undertaken in groups of 60 people over 26 days. Each year the first group sets off on 1st June. The route is shown below (from here): This …
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.
Guatemala landslide
The first major landslide event of 2008 occurred on Sunday in Alta Verapaz in northern Guatemala. At the moment reports are somewhat fragmented, but the Guatemalan newspaper Prensa Libre has published the following (not great quality) image. I have tried to enhance it as much as I can: Clearly this is a major failure – the news report suggests a mass of10,000 tonnes. To date that there are 29 known …
28 October 2008
Highway 97 update
Arthon have posted an update on their website of the situation at Highway 97 in Canada:“Slight movement in Rock Mass overnight. Road likely closed until Thursday at a minimum. Options being considered for removal of rock” There is also quite a nice news report with footage here. In the report there is a good description of the use of precursor indicators that can be used to warn of a large-scale …
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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