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18 October 2009
Typhoon Parma – rainfall and landslide maps
NASA have recently produced a map of the distribution of rainfall from Typhoon Parma (Pepeng) in the Philippines: The map has been produced from “the Multisatellite Precipitation Analysis, which includes rainfall observations from many satellites that are calibrated to match more detailed rainfall observations from the Tropical Rainfall Measuring Mission”. I am not sure how reliable this is, but it is certainly a useful first estimate. I thought it would …
16 October 2009
Another threat to the Philippines – Typhoon Lupit
Unfortunately things do not get any easier in the Philippines. Just as the clear-up from Typhoon Parma really gets under way (my tally of the landslide related deaths from this event is currently 346 people), another typhoon has formed. The current track forecasts suggest that there is a reasonable chance that it will pass over the northern part of Luzon once again: Note that the labels on the track give …
2 October 2009
Typhoon Parma update, plus landslides in Indonesia, India, Sicily, Samoa, Cambodia and Vietnam
I am struggling to keep up with the natural disasters at the moment. The main point of this post is to highlight the continued threat of Typhoon Parma to the northern Philippines. The current track forecast has it making landfall in the next day or so in the northern part of Luzon. The forecasts are still that it will stall as it makes its way across that area – this …
27 August 2009
Op Ed in Taipei Times on landslide management in Taiwan
The Taipei Times, which is the premier English language newspaper in Taiwan, has generously run as an Op. Ed. an improved version of my blog post reflecting on landslide management in the aftermath of Typhoon Morakot. This is available here.
2 August 2009
The low level of NH hurricanes and typhoons in summer 2009
One of the reasons that the northern hemisphere summer is essentially the global landslide season is that landfalling tropical cyclones (typhoons and hurricanes) represent a rather efficient way of triggering slope failures. This is especially the case in the Caribbean, Taiwan, Japan, SE and S China, the Philippines and Vietnam. Typhoon rain is astonishing to experience for the first time – peak intensities of 100 mm per hour are not …
27 May 2009
Landslides from Cyclone Alia in Darjeeling
One of the most admirable landslide websites that I know is the Save the Hills blog, which is the mouthpiece of a community level group trying to raise awareness of the problems of landslides in Darjeeling in NE India. I have featured this site several times before. As Cyclone Alia has closed in on the area over the last few days See below) they have been warning of the danger …
6 May 2009
Early May is the start of the landslide season
Whilst the transition towards the Northern Hemisphere summer is rather pleasant for many of us, the start of May also marks the start of the landslide season in the Northern Hemisphere. Of course the main problems kick in when the SW monsoon really gets going in Asia and the tropical cyclone season properly begins in the N. Pacific and N. Atlantic basins, but already there are clear signs that the …
16 September 2008
River bank erosion in Taiwan during Typhoon Sinlaku
Over the weekend Typhoon Sinlaku slowly tracked across the northern part of Taiwan (Fig. 1). Whilst attention was diverted towards the landfall of Hurricane Ike in Texas, this typhoon wreaked considerable havoc across Taiwan. The steep, weak mountains of Taiwan are amongst the most landslide prone environments on Earth. Typhoons in Taiwan deposit extraordinary amounts of rain. Typhoon Sinlaku was no exception – parts of Taichung County in central Taiwan …
5 September 2008
Hurricane landslides in Haiti
A perennial landslide story at this time of year is the triggering by a tropical cyclone of landslides in Haiti. This year the hurricane season has been particularly cruel, with three large events in a month. Hanna, the most recent, appears to have stalled close to Haiti for a day or so, causing torrential rainfall. At the moment reports suggest that 136 people have been killed in flash floods and …
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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