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You are browsing the archive for Landslides Mudslides.

28 March 2009

Images of landslides and other damage from the Sichuan earthquake part 4 – the Mianyuanhe area

This is the fourth part of my photographic description of damage caused by the Sichuan earthquake. The other parts are as follows: Part 1: Beichuan townPart 2: The Tangjiashan landslidePart 3: Hanwang townPart 4 (this part): The Mianyuanhe areaPart 5: The Xingyiu area First a location map. The Mianyuanhe area is a fairly large river valley that cuts through the Longmen mountain chain, with its mouth as Hanwang as shown …

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27 March 2009

Earthquake damage in Hanwang, Sichuan Province

This is the third of my five sets of images of the impact of the Wenchuan earthquake in Sichuan, China. The first two are as follows:Part 1: Beichuan town Part 2: The Tangjiashan landslide Part 3 (this part): Hanwang townPart 4: The Mianyuanhe areaPart 5: The Xingyiu area In this set of images I feature the town of Hanwang, on the edge of the mountains. The location of Hanwang is …

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26 March 2009

Tangjiashan – images of a potential disaster that was averted

This is the second of my series of photographic reviews of the earthquake affected area in Sichuan Province. The other sets are as follows:Part 1: Beichuan town Part 2 (this part): The Tangjiashan landslide Part 3: Hanwang town Part 4: The Mianyuanhe area Part 5: The Xingyiu area On Sunday I was lucky enough to be allowed to visit the landslide site at Tangjiashan, thanks again to my friends from …

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30 January 2009

Some interesting landslide sites

I thought that it was high time to post a summary of some interesting landslide sites: Aowanda landslideThere is an interesting youtube video of a smallish progressive rockslide occurring at Aowanda in Taiwan here. It should also be visible below: Not quite as dramatic as some others, but useful nonetheless. Five disastrous landslides that changed the Canadian LandscapeThere is quite a nice non-scientific piece here that describes in non-technical language …

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22 January 2009

Whitby – the old and the new

As someone interested in earth processes, one of the great powers of the internet is the ability to access quickly images of places in which I am interested. Over the last few years my colleagues and I have been studying rockfall processes at the town of Whitby in N. Yorkshire, which is in NE. England. I thought as a bit of fun I would compare two images of the cliffs …

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15 January 2009

Guatemala landslide – new satellite image

The Advanced Land Imager instrument of the NASA Earth Observation satellite EO-1 has recently collected an image of the Guatemalan landslide, which they have made available online. The image is here. I have cropped it to show just the slide – it is quite useful:

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13 January 2009

Costa Rica Earthquake – the aftermath

I thought a brief follow up email to my previous posts about the Costa Rica earthquake would be useful now that we are five days post the event. So what do we now know? Well, first the final death toll is likely to be about 40, most of whom were killed by landslides. Officially, as of today, 19 bodies have been recovered and 21 more are buried under landslide debris. …

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11 January 2009

Costa Rica earthquake – landslides have proven to be a major threat

News continues to flow in regarding the impact of the earthquake in Costa Rica. It is increasingly evident that landslides have probably been the major problem, which is unsurprising given the topography and soils. The landslides have clearly caused substantial loss of life and are also hampering rescue operations. The Washington Post is reporting, quite rightly, that there are now concerns about the stability of the slopes in the affected …

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9 January 2009

Landslide hazard and the Guatemala rockslide

As commenters on my earlier threads have pointed out (thanks to them), the location of the landslide in Guatemala can now be pinpointed using a map produced by CONRED. This map comes from a very useful report, with some good images of the rescue and recovery operation, available here. I have reproduced the map below (click on the map for a better view): Helpfully, this allows the location to be …

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8 January 2009

Guatemala landslide

As the Guatemala landslide now fades from media prominence, Reuters have released probably the best image to date of the landslide site: It is now clear that this was a a large rockslide (not a mudslide as reported elsewhere). AP have released a good image of the site: Whilst this Reuters image shows the runout of the landslide quite well: Finally, CONRED released this image of the site to show …

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