Presentation Transcript
On the occurrence of fatal landslides in 2008 :On the occurrence of fatal landslides in 2008 David Petley http:daveslandslideblog.blogspot.com
Durham landslide database :Durham landslide database
The defining landslide event for a generationThe Wenchuan Earthquake :The defining landslide event for a generationThe Wenchuan Earthquake 26 landslides of >10 million m3
c.26,400 people killed by landslides
Huge problems with sediment production
Basic statistics :Basic statistics 402 fatal landslide events
3515 fatalities
Fatal landslides 2009 (excluding Wenchuan earthquake) :Fatal landslides 2009 (excluding Wenchuan earthquake)
Temporal distribution :Temporal distribution
Temporal occurrence of fatalities :Temporal occurrence of fatalities
Landslide deaths and fatal landslides (smoothed) :Landslide deaths and fatal landslides (smoothed) Number of fatalities (25 day running mean) Number of fatal landslides
(25 day running mean)
Landslide deaths and fatal landslides 2007 (2008) :Landslide deaths and fatal landslides 2007 (2008) Number of fatalities (25 day running mean) Number of fatal landslides
(25 day running mean)
Landslide fatalities :Landslide fatalities
Fatal landslides :Fatal landslides
Effect of latitude :Effect of latitude Number of fatal landslides
Conclusions :Conclusions Image from public information board in Sichuan