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29 April 2010
Latest update on the Attabad landslide in Hunza
The lake level at the Attabad landslide continues to rise at about 55 cm per day, reflecting the increased level of inflow from snowmelt. NDMA and Focus now conduct joint surveys of the freeboard and have agreed a broadly common figure – currently about 23 m. At current rates this continues to indicate an overtopping date of early June (full details on the monitoring site): Seepage remains a concern, although …
16 April 2010
Latest update on the Hunza (Attabad) landslide in Pakistan
I have today updated my monitoring site for the Hunza (Attabad) landslide. However, there are a number of key developments that are worth noting: 1. The rate of seepage has started to increase once againThe graph of seepage against time shows that seepage is increasing rapidly at the moment, albeit at rates that are still only a fraction of the inflow rate: The key factor here is the development of …
6 April 2010
New images of the Attabad landslide
The Pamir Times has today run a pictorial article on the state of the Attabad landslide (NB see my new site for the latest monitoring data for the landslide). A few of the images are worth reproducing here. First, the third in the sequence of images showing the water level rise. The first was taken by me in late February, the second (on the upper row on the right) is …
5 April 2010
Attabad landslide: my new blog site with monitoring data
I have set up a new (temporary) blog site to provide updates on the state of play at Attabad, based upon the daily monitoring data collected by NDMA and Focus. The URL of the site is as follows: http://hunzalandslide.blogspot.com/ The site is now live, but is very much work in progress as I have more to add. I aim to update the site, which provides data on seepage, the water …
2 April 2010
Video of the main seepage point at the Attabad landslide dam
(corrected 3rd April) As I noted yesterday, a new (third) seepage point has appeared on the downstream face of the Attabad landslide dam. A video has been posted on Youtube of the first seepage point. It is worth a view: Note that water now appears to be flowing into this seepage point under pressure, which is a worry. The volume of water at this seepage point is the largest of …
1 April 2010
The Attabad lake level, and new seepage points
The lake level at Attabad continues to rise at a rate of about 35 cm per day. The Pamir Times website has a Youtube video that contains pictures of the latest situation of the site. Whilst it is not in English, the images give a good overview of the current state of play: From the video I have captured the following image of the state of the water level in …
25 March 2010
Attabad – the mainstream media has finally woken up to this story
Within the mainstream media the Attabad landslide story has been on slow burn for a while now, with a bit of interest last week. However, Reuters have run a story on this today that should now see it gaining a higher profile over the next few days: Reuters Story (Key parts only):Authorities in northern Pakistan are struggling to prevent the bursting of a natural dam formed by a landslide that …
Update of the Attabad water level and seepage situation
I have this morning updated the post on the Attabad water level and seepage situation. The post is here. Seepage appears to have now stabilised at about 0.4 cubic metres per second, whilst the water level is rising at about 35 cm per day. Meanwhile, the Pamir Times has published this image of the seepage:
22 March 2010
Attabad landslide report
The report that I wrote about the Attabad landslide as a result of my recent visit to the site is now available. You should be able to download it here: http://www.mediafire.com/file/lymztmnwnzd/10_02 Hunza landslide short report final.pdf
Attabad landslide: latest update on the lake level, seepage rate and spillway height
The latest data on the Attabad landslide is available here. I have added a graph of reported seepage rate against time.
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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