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7 April 2022
The long term history of fatal landslides in Colombia
In a paper just published in the journal Landslides (Garcia-Delgado, Petley et al. 2022), we have examined the history of fatal landslides in Colombia. The results are quite surprising.
9 February 2022
Dosquebradas: at least 14 killed in a landslide in Colombia
Heavy rainfall triggered a large landslide in the town of Dosquebradas in Colombia yesterday, killing at least 16 people, injuring 34 more
8 November 2021
Mallama: a deadly landslide in Colombia on 2 November
On 2 November 2021 a landslide at Mallama in Nariño province, Colombia killed 17 people.
1 May 2020
Dona Juana: a large garbage landslide in Bogota
A large (c.60,000 cubic metre) and spectacular garbage landslide occurred at the Dona Juana landfill site in Bogota, Colombia on 28 April 2020.
25 February 2020
Spatial and temporal patterns of landslide losses in Colombia
Spatial and temporal patterns of landslide losses in Colombia Back in 2012 I posted about the levels of landslide losses in Colombia, which is one of the most landslide prone countries, based on my fatal landslide database. I noted that levels of loss are high, especially in the western side of the country, and that Colombia needs to be a priority country if we are to reduce loss worldwide. It …
9 September 2019
The impact of the 2017 Mocoa debris flows
A new study of the 2017 Mocoa debris flows in Colombia (Prada-Sarmiento et al. 2019) indicates that the area had suffered 11 previous events in the 70 years prior to the disaster.
10 June 2019
An image of the state of the Hidtroituango powerhouse
Images have been published showing the extreme levels of damage, caused by flooding, to the Hidroituango powerhouse in Colombia.
29 March 2019
The Mocoa Debris Flow: an analysis of the causes and effects
A detailed analysis has been published in the journal Landslides of the 2017 Mocoa Debris Flow in Colombia, which killed 409 people.
18 January 2019
Hidroituango: the complex geology behind the major problems in the mountain
Hidroituango: the complex geology behind the problems in the mountain, with suggestions that the powerhouse cavern might lie at the intersection of 2 faults
18 July 2018
Hidroituango: an update
Problems continue at the Hidroituango dam site in Colombia. Last week a significant seismic event was recorded in the power house cavern, which is thought to have been generated by a further rockfall in the underground excavation.
Dave Petley is the Pro-Vice-Chancellor (Research and Innovation) at the University of Sheffield in the United Kingdom. His blog provides a commentary on landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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