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17 April 2009
Large landslides in Peru and Kyrgyzstan, the Afghanistan earthquake plus heavy rain expected in the Wenchuan area
Each year in mid-April we move into the global “landslide season”, when the development of the Northern Hemisphere summer, and the associated weather patterns elsewhere, means that the number of landslides starts to increase dramatically. This is all too clear from the range of landslide events in the last few days, plus the threat of heavy rainfall in the earthquake affected areas of China: 1. Major landslide in PeruA range …
30 March 2009
Images from the Sichuan earthquake part 5 – Xingyiu
This is the fifth and last 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: The Mianyuanhe areaPart 5 (this part): The Xingyiu area This final section shows images from a visit to the Xingyiu area, which is quite close to the main epicentral region. In this area the …
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 …
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 …
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 …
25 March 2009
Beichuan – photos of the aftermath of a natural catastrophe
This is the first of my series of photographic reviews of the earthquake affected area in Sichuan Province. The other sets are as follows:Part 1 (this part): Beichuan town Part 2: The Tangjiashan landslide Part 3: Hanwang town Part 4: The Mianyuanhe area Part 5: The Xingyiu area Thanks to my friends in the State Key Laboratory for Geohazards at the Chengdu University of Technology I have spent the last …
6 March 2009
The role of landslides in global warming
A rather extraordinary paper has just been published in Geophysical Research Letters about landslides triggered by the Wenchuan (Sichuan) earthquake. Why is it extraordinary – well, let me quote from the abstract. The paper suggests that the landslides caused destruction of vegetation such that “the cumulative CO2 release to the atmosphere over the coming decades is comparable to that caused by hurricane Katrina 2005 (~105 Tg) and equivalent to ~2% …
5 March 2009
Karst landslide in China
Xinhua is reporting a landslide in Jinjiling Hill in Guilin, Guangxi yesterday that buried several houses and killed four people. Whilst in global terms the event was not huge, the images that Xinhua have published are quite interesting: Xinhua describes the event thus: “…several hundred tonnes of rocks and dirt gushed down from the mountain at about 9:20 p.m. Wednesday. Four workers in charge of a cave-digging project in the …
23 February 2009
A few items of interest
You may have noticed that the number of posts on this blog has dipped of late. My apologies for this – we learnt just before Christmas that my seven year old son Adam needed open heart surgery, which was undertaken earlier this month. I am glad to say that it was a complete success and he has today returned to school, so normal service will hopefully be returned. So, I …
16 February 2009
Seismic frescoes – possibly the oddest earthquake induced landslide story of all time?
There is little doubt that the Wenchuan (Sichuan) earthquake in May generated a huge number of shallow rock slides. A very odd story has now appeared in the Chinese media in which it is observed that the rock slide scars appear to form frescoes (wall-mounted murals) on the mountain sides. So, in the words of the People’s Daily Online “Although the massive Wenchuan Earthquake caused tremendous damage, it has also …
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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