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South America

The site of the 28 June 1974 Quebrada Blanca landslide disaster in Colombia, as it is today.
Posted inThe Landslide Blog

The 28 June 1974 Quebrada Blanca landslide disaster in Colombia

by Dave Petley 2 July 20242 July 2024

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. Last week marked the 50th anniversary of the 28 June 1974 Quebrada Blanca landslide disaster in Colombia, in which up to 500 people were killed. There is a good video, in Spanish, […]

Google Earth image of the Chinchorro TSF, which failed in June 2024.
Posted inThe Landslide Blog

The 13 June 2024 tailings dam failure at the Chinchorro TSF at Peñablanca in Chile

by Dave Petley 18 June 202418 June 2024

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. At about 8 pm on 13 June 2024, a failure occurred in the embankment wall of the Chinchorro tailings storage facility, close to the village of Peñablanca, near the town of Cabildo […]

The fatal rock topple at Canyon de Furnas in Brazil. Still from a Youtube video.
Posted inThe Landslide Blog

The causes of the 8 January 2022 fatal rock topple at Furnas Reservoir in Brazil

by Dave Petley 13 June 202413 June 2024

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 8 January 2022, a large rock topple occurred on the banks of the Furnas Reservoir in Brazil. This event, which I wrote about at the time, was captured on a series […]

Posted inNews

Núcleos de hielo de la Antártica capturan la contaminación de los metales pesados y su historia

Katherine Kornei, Science Writer by Katherine Kornei 22 April 202422 April 2024

Un núcleo de hielo que tiene registro más de 2 milenios, sugiere que la minería y la metalurgia aumentaron y disminuyeron con acontecimientos como las guerras y las epidemias.

Several long tubes of ice in transparent plastic rest in a freezer. A pair of hands clad in blue gloves with black cuffs reaches down into the freezer. On the wrapper of each tube of ice is a label handwritten in blue—FL_104, FL_105, and so forth—as well as arrows pointing to one end of the ice.
Posted inNews

Antarctic Ice Cores Capture Heavy Metal Pollution—And History

Katherine Kornei, Science Writer by Katherine Kornei 26 February 202423 April 2024

An ice core record stretching back more than 2 millennia hints at the mining and metallurgy that waxed and waned with events such as wars and epidemics.

Llamas walking along a rocky landscape in front of a retreating glacier in Cordillera Blanca, northern Peru.
Posted inNews

How Llama Poop Is Helping an Andean Community Adapt to Melting Glaciers

by Sofia Moutinho 9 November 202317 November 2023

Reintroducing these animals can enrich barren soils and potentially reduce water contamination, a study shows.

Posted inThe Landslide Blog

El Peñón de Guatapé: a dangerous collapse at a tourist site in Colombia

by Dave Petley 6 November 20236 November 2023

On 2 November 2023 a dramatic fall of soil and organic debris injured 17 people.

A dry tree stands out amid green trees in an Amazon forest.
Posted inNews

South American Rainforests Are on the Brink of Becoming Carbon Sources

by Sofia Moutinho 17 October 202317 October 2023

Plants’ ability to stock carbon ceased during the 2015–2016 El Niño, as temperatures skyrocketed and trees died.

Posted inThe Landslide Blog

An interesting erosive event in the Socavón Cochoa area of Viña del Mar, Chile

by Dave Petley 24 August 202324 August 2023

Dramatic erosion of a sand dune in Viña del Mar, Chile appears to be related to maintenance of a drainage pipe.

The setting Sun sits just above the horizon and under a partly cloudy sky, with a body of water in the foreground.
Posted inResearch Spotlights

Biogeochemical Insights from a Major Amazonian River

Aaron Sidder, freelance science writer by Aaron Sidder 15 August 202322 October 2024

Underrepresented in global carbon budgets, tropical rivers like Brazil’s Tocantins are in need of study to establish their baseline characteristics in the face of increasing global change.

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